湖南模具焊條批發(fā) 歡迎來電簡敏精密五金制造供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 開發(fā)之初只有大絲徑焊絲（—），用于重大工件的平焊與橫焊。直至1972年小絲徑焊絲開始發(fā)展才**的擴(kuò)展了藥芯焊絲使用的領(lǐng)域。自保護(hù)藥芯焊絲，是在氣保護(hù)藥芯焊絲問市不久，便被發(fā)展出來，而且也很快"><meta name="keywords" content="湖南模具焊條批發(fā),焊條"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u id="qgqbi"></u><noframes id="qgqbi"></noframes><menu id="qgqbi"></menu><blockquote id="qgqbi"></blockquote><track id="qgqbi"><label id="qgqbi"></label></track><tbody id="qgqbi"></tbody><legend id="qgqbi"></legend><th id="qgqbi"><button id="qgqbi"></button></th><listing id="qgqbi"><rt id="qgqbi"></rt></listing><sup id="qgqbi"><dd id="qgqbi"><tbody id="qgqbi"></tbody></dd></sup><menu id="qgqbi"><xmp id="qgqbi"></xmp></menu><fieldset id="qgqbi"><acronym id="qgqbi"></acronym></fieldset><wbr id="qgqbi"><mark id="qgqbi"><strong id="qgqbi"></strong></mark></wbr><tbody id="qgqbi"><small id="qgqbi"></small></tbody><label id="qgqbi"><tfoot id="qgqbi"></tfoot></label><div id="qgqbi"><th id="qgqbi"><object id="qgqbi"></object></th></div><listing id="qgqbi"></listing><source id="qgqbi"><ins id="qgqbi"></ins></source><noframes id="qgqbi"></noframes><noscript id="qgqbi"><strike id="qgqbi"><tt id="qgqbi"></tt></strike></noscript><strike id="qgqbi"><rp id="qgqbi"></rp></strike><dl id="qgqbi"></dl><th id="qgqbi"></th><acronym id="qgqbi"></acronym><center id="qgqbi"><input id="qgqbi"><div id="qgqbi"><th id="qgqbi"></th></div></input></center><label id="qgqbi"></label><tr id="qgqbi"><label id="qgqbi"><center id="qgqbi"></center></label></tr><menuitem id="qgqbi"><em id="qgqbi"><legend id="qgqbi"></legend></em></menuitem><pre id="qgqbi"></pre><fieldset id="qgqbi"><address id="qgqbi"><abbr id="qgqbi"><dl id="qgqbi"></dl></abbr></address></fieldset><sup id="qgqbi"><form id="qgqbi"></form></sup><form id="qgqbi"></form> <form id="qgqbi"></form><center id="qgqbi"><rp id="qgqbi"></rp></center><code id="qgqbi"></code><option id="qgqbi"><i id="qgqbi"><tr id="qgqbi"></tr></i></option><address id="qgqbi"></address><pre id="qgqbi"></pre><wbr id="qgqbi"></wbr><dl id="qgqbi"><delect id="qgqbi"><bdo id="qgqbi"></bdo></delect></dl><table id="qgqbi"><p id="qgqbi"></p></table><label id="qgqbi"><xmp id="qgqbi"><noscript id="qgqbi"><dl id="qgqbi"></dl></noscript></xmp></label><cite id="qgqbi"></cite><acronym id="qgqbi"><object id="qgqbi"><big id="qgqbi"></big></object></acronym><rp id="qgqbi"></rp><tt id="qgqbi"></tt><output id="qgqbi"></output><table id="qgqbi"><p id="qgqbi"><ruby id="qgqbi"></ruby></p></table><tt id="qgqbi"><tbody id="qgqbi"><acronym id="qgqbi"><b id="qgqbi"></b></acronym></tbody></tt><u id="qgqbi"></u><bdo id="qgqbi"><tr id="qgqbi"><dfn id="qgqbi"></dfn></tr></bdo><strike id="qgqbi"><font id="qgqbi"></font></strike><s id="qgqbi"></s><acronym id="qgqbi"><samp id="qgqbi"><code id="qgqbi"><pre id="qgqbi"></pre></code></samp></acronym><cite id="qgqbi"></cite><form id="qgqbi"><dl id="qgqbi"><pre id="qgqbi"><label id="qgqbi"></label></pre></dl></form><center id="qgqbi"><rp id="qgqbi"></rp></center><font id="qgqbi"></font><menu id="qgqbi"></menu><small id="qgqbi"><strong id="qgqbi"><sup id="qgqbi"><form id="qgqbi"></form></sup></strong></small><label id="qgqbi"><tfoot id="qgqbi"><em id="qgqbi"></em></tfoot></label><optgroup id="qgqbi"><fieldset id="qgqbi"><thead id="qgqbi"><strong id="qgqbi"></strong></thead></fieldset></optgroup><label id="qgqbi"></label><meter id="qgqbi"><noframes id="qgqbi"><i id="qgqbi"><ins id="qgqbi"></ins></i></noframes></meter><kbd id="qgqbi"></kbd><b id="qgqbi"></b><dl id="qgqbi"><delect id="qgqbi"><th id="qgqbi"><span id="qgqbi"></span></th></delect></dl><font id="qgqbi"></font><small id="qgqbi"></small><mark id="qgqbi"></mark><del id="qgqbi"><dfn id="qgqbi"><source id="qgqbi"><tr id="qgqbi"></tr></source></dfn></del><dd id="qgqbi"><ruby id="qgqbi"><menu id="qgqbi"></menu></ruby></dd><th id="qgqbi"><em id="qgqbi"></em></th><abbr id="qgqbi"></abbr><span id="qgqbi"><kbd id="qgqbi"><dfn id="qgqbi"><sub id="qgqbi"></sub></dfn></kbd></span><ins id="qgqbi"></ins><s id="qgqbi"><progress id="qgqbi"></progress></s><th id="qgqbi"></th><bdo id="qgqbi"></bdo><blockquote id="qgqbi"></blockquote><b id="qgqbi"></b><nav id="qgqbi"><div id="qgqbi"></div></nav> <meter id="qgqbi"><dfn id="qgqbi"><source id="qgqbi"><tr id="qgqbi"></tr></source></dfn></meter><tfoot id="qgqbi"></tfoot><big id="qgqbi"><pre id="qgqbi"><s id="qgqbi"></s></pre></big><small id="qgqbi"></small><table id="qgqbi"><td id="qgqbi"><sup id="qgqbi"></sup></td></table><form id="qgqbi"><tr id="qgqbi"></tr></form><tr id="qgqbi"><fieldset id="qgqbi"><thead id="qgqbi"><strong id="qgqbi"></strong></thead></fieldset></tr><ul id="qgqbi"></ul><center id="qgqbi"><optgroup id="qgqbi"><div id="qgqbi"></div></optgroup></center><rp id="qgqbi"><input id="qgqbi"><blockquote id="qgqbi"><th id="qgqbi"></th></blockquote></input></rp><tbody id="qgqbi"></tbody><form id="qgqbi"><u id="qgqbi"><fieldset id="qgqbi"></fieldset></u></form><rp id="qgqbi"></rp><b id="qgqbi"><small id="qgqbi"></small></b><dd id="qgqbi"></dd><kbd id="qgqbi"></kbd><code id="qgqbi"><pre id="qgqbi"><ul id="qgqbi"></ul></pre></code><strong id="qgqbi"></strong><cite id="qgqbi"><sub id="qgqbi"></sub></cite><object id="qgqbi"></object><dfn id="qgqbi"></dfn><pre id="qgqbi"></pre><xmp id="qgqbi"></xmp><pre id="qgqbi"></pre><sup id="qgqbi"><form id="qgqbi"><cite id="qgqbi"></cite></form></sup><tt id="qgqbi"><tbody id="qgqbi"><acronym id="qgqbi"><b id="qgqbi"></b></acronym></tbody></tt><input id="qgqbi"></input><acronym id="qgqbi"><samp id="qgqbi"><code id="qgqbi"></code></samp></acronym><nobr id="qgqbi"><pre id="qgqbi"><ul id="qgqbi"><strong id="qgqbi"></strong></ul></pre></nobr><menuitem id="qgqbi"><em id="qgqbi"><wbr id="qgqbi"><mark id="qgqbi"></mark></wbr></em></menuitem><dl id="qgqbi"></dl><rp id="qgqbi"><input id="qgqbi"><div id="qgqbi"></div></input></rp><div id="qgqbi"><button id="qgqbi"><pre id="qgqbi"><meter id="qgqbi"></meter></pre></button></div><address id="qgqbi"></address><thead id="qgqbi"><abbr id="qgqbi"><sup id="qgqbi"></sup></abbr></thead><em id="qgqbi"></em><ul id="qgqbi"><listing id="qgqbi"><wbr id="qgqbi"></wbr></listing></ul><listing id="qgqbi"></listing><wbr id="qgqbi"></wbr><thead id="qgqbi"><abbr id="qgqbi"><strike id="qgqbi"></strike></abbr></thead><menuitem id="qgqbi"></menuitem><pre id="qgqbi"></pre><pre id="qgqbi"></pre><dl id="qgqbi"><delect id="qgqbi"><bdo id="qgqbi"><span id="qgqbi"></span></bdo></delect></dl><ruby id="qgqbi"></ruby><pre id="qgqbi"><strike id="qgqbi"><tt id="qgqbi"><i id="qgqbi"></i></tt></strike></pre><fieldset id="qgqbi"><address id="qgqbi"></address></fieldset><cite id="qgqbi"><sub id="qgqbi"></sub></cite><optgroup id="qgqbi"></optgroup><fieldset id="qgqbi"><address id="qgqbi"></address></fieldset></div><div id="fiaod" class="pl_css_ganrao" style="display: none;"><th id="fiaod"></th><p id="fiaod"><input id="fiaod"></input></p><optgroup id="fiaod"></optgroup><u id="fiaod"></u><dfn id="fiaod"><thead id="fiaod"><tr id="fiaod"><fieldset id="fiaod"></fieldset></tr></thead></dfn><nav id="fiaod"><option id="fiaod"><output id="fiaod"></output></option></nav><delect id="fiaod"></delect><form id="fiaod"></form><input id="fiaod"></input><strong id="fiaod"></strong><nobr id="fiaod"><pre id="fiaod"></pre></nobr><big id="fiaod"><track id="fiaod"><s id="fiaod"></s></track></big><b id="fiaod"></b><acronym id="fiaod"><b id="fiaod"></b></acronym><bdo id="fiaod"><span id="fiaod"><dfn id="fiaod"></dfn></span></bdo><label id="fiaod"></label><p id="fiaod"></p><blockquote id="fiaod"><video id="fiaod"><acronym id="fiaod"><samp id="fiaod"></samp></acronym></video></blockquote><tr id="fiaod"><label id="fiaod"><thead id="fiaod"></thead></label></tr><b id="fiaod"></b><s id="fiaod"><delect id="fiaod"></delect></s><tbody id="fiaod"></tbody><code id="fiaod"><pre id="fiaod"><table id="fiaod"></table></pre></code><ins id="fiaod"><label id="fiaod"><thead id="fiaod"></thead></label></ins><strike id="fiaod"></strike><tbody id="fiaod"></tbody><table id="fiaod"></table><tt id="fiaod"><i id="fiaod"><menuitem id="fiaod"><abbr id="fiaod"></abbr></menuitem></i></tt><label id="fiaod"><tfoot id="fiaod"><listing id="fiaod"><rt id="fiaod"></rt></listing></tfoot></label><meter id="fiaod"><dfn id="fiaod"></dfn></meter><tr id="fiaod"></tr><ol id="fiaod"></ol><strike id="fiaod"><center id="fiaod"></center></strike><table id="fiaod"></table><menuitem id="fiaod"></menuitem><ol id="fiaod"></ol><nav id="fiaod"><div id="fiaod"><video id="fiaod"></video></div></nav><address id="fiaod"><kbd id="fiaod"></kbd></address><sup id="fiaod"></sup><optgroup id="fiaod"><div id="fiaod"></div></optgroup><pre id="fiaod"></pre><nobr id="fiaod"><s id="fiaod"><ul id="fiaod"><strong id="fiaod"></strong></ul></s></nobr><acronym id="fiaod"></acronym><video id="fiaod"><ol id="fiaod"><b id="fiaod"></b></ol></video><form id="fiaod"><nav id="fiaod"></nav></form><acronym id="fiaod"><abbr id="fiaod"></abbr></acronym><legend id="fiaod"><mark id="fiaod"><strong id="fiaod"></strong></mark></legend><b id="fiaod"></b><li id="fiaod"></li><em id="fiaod"></em><bdo id="fiaod"></bdo><style id="fiaod"></style><legend id="fiaod"><mark id="fiaod"><strong id="fiaod"></strong></mark></legend><xmp id="fiaod"><small id="fiaod"><mark id="fiaod"></mark></small></xmp><del id="fiaod"><cite id="fiaod"></cite></del><ins id="fiaod"></ins><ul id="fiaod"><listing id="fiaod"></listing></ul><ruby id="fiaod"></ruby><blockquote id="fiaod"><tbody id="fiaod"><acronym id="fiaod"></acronym></tbody></blockquote><menuitem id="fiaod"></menuitem><li id="fiaod"></li><dl id="fiaod"></dl><bdo id="fiaod"><span id="fiaod"></span></bdo><object id="fiaod"><samp id="fiaod"><code id="fiaod"><pre id="fiaod"></pre></code></samp></object><legend id="fiaod"><mark id="fiaod"><table id="fiaod"></table></mark></legend><tbody id="fiaod"><ol id="fiaod"><b id="fiaod"></b></ol></tbody><rp id="fiaod"><sup id="fiaod"></sup></rp><optgroup id="fiaod"><div id="fiaod"></div></optgroup><tt id="fiaod"></tt><span id="fiaod"><kbd id="fiaod"><cite id="fiaod"><sub id="fiaod"></sub></cite></kbd></span><td id="fiaod"></td><span id="fiaod"><kbd id="fiaod"><dfn id="fiaod"><sub id="fiaod"></sub></dfn></kbd></span><tfoot id="fiaod"></tfoot><tr id="fiaod"></tr><pre id="fiaod"><tfoot id="fiaod"></tfoot></pre><pre id="fiaod"></pre><acronym id="fiaod"></acronym><output id="fiaod"><strong id="fiaod"><dd id="fiaod"><ruby id="fiaod"></ruby></dd></strong></output><optgroup id="fiaod"></optgroup><acronym id="fiaod"></acronym><s id="fiaod"></s><listing id="fiaod"></listing><track id="fiaod"></track><nobr id="fiaod"><pre id="fiaod"><u id="fiaod"></u></pre></nobr><ul id="fiaod"><listing id="fiaod"><address id="fiaod"></address></listing></ul><video id="fiaod"><menu id="fiaod"></menu></video><span id="fiaod"><kbd id="fiaod"><dfn id="fiaod"><sub id="fiaod"></sub></dfn></kbd></span><nobr id="fiaod"><s id="fiaod"><menuitem id="fiaod"><listing id="fiaod"></listing></menuitem></s></nobr><font id="fiaod"><li id="fiaod"></li></font><nobr id="fiaod"></nobr><b id="fiaod"></b><em id="fiaod"><style id="fiaod"><kbd id="fiaod"></kbd></style></em><pre id="fiaod"></pre><span id="fiaod"><form id="fiaod"><legend id="fiaod"></legend></form></span><label id="fiaod"><xmp id="fiaod"><rp id="fiaod"><dl id="fiaod"></dl></rp></xmp></label><label id="fiaod"><tfoot id="fiaod"><em id="fiaod"></em></tfoot></label><address id="fiaod"></address><var id="fiaod"></var><big id="fiaod"></big><dfn id="fiaod"><code id="fiaod"><pre id="fiaod"><u id="fiaod"></u></pre></code></dfn></div><header class="header container"><span id="3vnpfh2" class="logo"><a href="http://www.cdcfah.com/"><img src="/static/new_net_01/images/logo.png" alt="找產(chǎn)品網(wǎng)"></a></span><span id="n3eekhv" class="tigs"> 發(fā)信息做推廣就找產(chǎn)品網(wǎng)<br />企業(yè)電商信息綜合服務(wù)平臺 </span><div id="klrhxz2" class="searchbox"><div id="38b8wtx" class="searchLt"><div id="mvzw7fj" class="tabs"><a href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會</a></div><div id="lzwont4" class="clearfix searchWrap"><div id="nrd23zl" class="searchInput"><input type="text" name="keywords" placeholder="請輸入搜索關(guān)鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="7tfelxw" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://www.cdcfah.com/cp/"><span>產(chǎn)品供應(yīng)</span></a></li><li id = "index_news"><a href="http://www.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="4f83r8j" class="twoCol"><div id="5dpme3w" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_wjgj/">五金、工具</a>?<a href="http://www.cdcfah.com/cp/second-wjgj_hjclyfjqh/">焊接材料與附件</a>?<a href="http://www.cdcfah.com/cp/third-hjclyfjqh_hansi/">焊絲</a>?湖南模具焊條批發(fā) 歡迎來電簡敏精密五金制造供應(yīng)</p><div id="swy3e48" class="leftbox clearfix"><h1>湖南模具焊條批發(fā) 歡迎來電簡敏精密五金制造供應(yīng)</h1><div id="07jvcwp" class="proBig"><div id="p224fz8" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179275556074219/4349132.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="o3aroaz" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179275556074219/4349132.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="so8ovm8" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>湖南模具焊條批發(fā),焊條</p><p><span>***更新：</span>2020-06-13 15:13:40</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="tsjqhj9" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">簡敏精密五金制造(上海)有限公司</a></p><p><span>聯(lián)系人：</span>龔先生</p><p><span>郵箱: </span></p><p><span>電話: </span>13818473006</p><p><span>傳真: </span>021_69726282</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>021-69726282</p><p><span>地址: </span>顧北東路365號C區(qū)1101</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="sw7ouwg" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="vpmolxw" class="box"><p><p> 開發(fā)之初只有大絲徑焊絲（—），用于重大工件的平焊與橫焊。直至1972年小絲徑焊絲開始發(fā)展才**的擴(kuò)展了藥芯焊絲使用的領(lǐng)域。自保護(hù)藥芯焊絲，是在氣保護(hù)藥芯焊絲問市不久，便被發(fā)展出來，而且也很快的被工業(yè)界廣為認(rèn)同于特定的用途上。兩者比較大的不同點(diǎn)在第二單元便已有所述明，本單元將做整體的探討。焊絲介紹藥芯焊絲的制造過程控制非常嚴(yán)謹(jǐn)，由于熔填金屬來自鋼片皮材及焊劑所含的成份，制造前尺寸與化學(xué)成份均需詳細(xì)核對以確保品質(zhì)。由于焊材內(nèi)部空間受到限制，焊劑顆粒的大小愈顯得重要，顆粒間形成類似鳥.巢般結(jié)合在一起，焊劑成份元素不均勻，湖南模具焊條批發(fā)。絕大部分的藥芯焊絲均由一扁平金屬薄片長條逐段經(jīng)過滾卷成U型斷面，粒狀焊劑填充于U型金屬槽中然后再經(jīng)***的密封滾卷步驟，將焊劑緊緊的滾壓在管形焊絲內(nèi)卷成管形的焊絲再經(jīng)過一連串抽拉動作成為**，湖南模具焊條批發(fā).后需要的絲徑，此抽拉的動作也可以使填充的焊劑均勻的固定在焊絲皮材內(nèi)。制造/生產(chǎn)過程中如何不使焊絲內(nèi)因管制不良而造成部分線材形成中空（沒有焊劑）是藥芯焊絲生產(chǎn)品質(zhì)的關(guān)鍵。另外線材表面亦需光滑平順且清潔否則將影響送絲的順暢及焊接電流的傳迅，湖南模具焊條批發(fā)。焊絲包裝成卷或成桶以避免線材相互糾纏或折損。無藥皮的光焊條不容易引燃電弧。即使引燃了也不能穩(wěn)定地燃燒。湖南模具焊條批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南模具焊條批發(fā),焊條" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179275556074219/4349132.png"></div><p> 在火力發(fā)電廠安裝中，采用藥芯焊絲對奧氏體不銹鋼管道進(jìn)行打底焊接，背面不用充氬保護(hù)，節(jié)省了大量的氬氣及充氬輔助工具。具有工藝性能良好、操作方便、焊接質(zhì)量穩(wěn)定的特點(diǎn)。在不易進(jìn)行背面充氬保護(hù)的管道焊接作業(yè)及高空作業(yè)時其優(yōu)點(diǎn)更為突出，值得在火力發(fā)電廠安裝工程中推廣應(yīng)用。1、焊接材料與工藝本次試驗(yàn)中母材采用1Cr18Ni9奧氏體不銹鋼，規(guī)格為Ф42mm×5mm，化學(xué)成分及力學(xué)性能見表1、表2。焊絲為昆山京群焊材科技有限公司生產(chǎn)的GTS-F308L藥芯焊絲，符合AWS-95R308LT1-5及GB/T17853-99R308LT1-5標(biāo)準(zhǔn)。焊絲規(guī)格為Ф×915mm，藥芯焊絲熔敷金屬的化學(xué)成分見表3。坡口尺寸的選擇坡口型式、對口參數(shù)及焊道設(shè)計見附圖。由于奧氏體不銹鋼的導(dǎo)熱系數(shù)小而線膨脹系數(shù)大，焊接時變形大。如果在焊接時選用的坡口較大，則將會增多填充金屬，增加焊的擺動距離，降低焊接速度，加大了變形量，增加了焊縫在高溫段的停留時間，增加了產(chǎn)生晶間腐蝕及熱裂紋的可能性，所以在保證焊縫質(zhì)量及焊工易操作的前提下，應(yīng)適當(dāng)減少坡口尺寸。經(jīng)過反復(fù)實(shí)踐，將坡口尺寸選擇為55°±5°。對口間隙也適當(dāng)增大，有利于熔渣流到焊縫根部以保護(hù)根部焊縫不受氧化。湖南模具焊條批發(fā)酸性焊條焊接工藝性好，電弧穩(wěn)定，可交、直流兩用，飛濺小、熔渣流動性和脫渣性好。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南模具焊條批發(fā),焊條" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179275560292969/6305969.png"></div><p> 1.概述煤氣化爐長期在高溫、高壓環(huán)境下運(yùn)行，其主要產(chǎn)品合成氣主要由H2S、CO、H2、CO2、N2等強(qiáng)腐蝕性介質(zhì)組成，因此對氣化爐相關(guān)工作區(qū)域（如激冷室、椎體內(nèi)壁等）提出了很高的耐腐蝕性能要求。根據(jù)腐蝕介質(zhì)的不同，目前主要采用不銹鋼耐腐蝕及鎳基材料耐腐蝕兩種方式。從視覺景觀的角度來講，教堂廣場區(qū)域?qū)儆谥行木奂途坝^，其視覺景觀的**為天主教堂主建筑，這也是廣場空間的重要觀賞面.通過對教堂廣場區(qū)域的分析發(fā)現(xiàn)，廣場空間的視線聚集性較高區(qū)域保持在天主教堂主建筑附近，是視域整合度**區(qū)，但不合理的空間設(shè)計使得廣場中心區(qū)域的視線聚集性驟減，成為中山路街區(qū)良性發(fā)展的阻礙.因此，完善教堂廣場區(qū)域視覺廊道體系勢在必行.采用含Mo的18-8型316L**碳不銹鋼作為耐蝕材料，并要求焊縫金屬具有一定量的δ鐵素體，可使耐蝕層具有優(yōu)良的耐腐蝕性能和抗裂性能（如典型的316L型不銹鋼）。在Cr-Mo合金鋼上堆焊不銹鋼，在堆焊焊縫側(cè)將產(chǎn)生脆硬的馬氏體組.織，降低堆焊焊縫的晶間腐蝕性能，為此采用含Cr量較高的25-13型Cr-Ni奧氏體不銹鋼（如309LMo）作為過渡層，可使耐蝕層的化學(xué)成分和其他各項(xiàng)性能更容易達(dá)到要求。</p><p> 6）為避免在接頭收弧時產(chǎn)生縮孔，應(yīng)盡量采用短弧焊，焊擺動要均勻，要保證藥芯焊絲的焊接冶金反應(yīng)過程和脫渣過程充分進(jìn)行，焊接速度應(yīng)與送絲頻率成正比。收弧時不要向前移動太遠(yuǎn)，應(yīng)斜向前收弧，避免產(chǎn)生弧抗。4、結(jié)束語,根部焊道采用藥芯焊絲手工鎢極氬弧焊時，不僅改善了背面成形，提高了焊接質(zhì)量，而且節(jié)約了氬氣和大量輔助用工，降低了成本，提高了生產(chǎn)效率，從而可替代以往的手工鎢極氬弧焊填充實(shí)芯焊絲背面充氬保護(hù)的焊接方法。特別是焊接固定管口、死口連頭等背面充氬保護(hù)困難的位置時，其優(yōu)越性能更為***。采用藥芯焊絲工藝性能好，焊接工藝操作簡便，電弧穩(wěn)定、飛濺小、脫渣容易、焊縫成形美觀，其熔敷金屬力學(xué)性能達(dá)到了相關(guān)標(biāo)準(zhǔn)的規(guī)定。此工藝方法可應(yīng)用于其它奧氏體不銹鋼管子的打底層及蓋面層的焊接，值得在火力發(fā)電廠安裝工程中推廣應(yīng)用。在焊接結(jié)構(gòu)剛性大、接頭應(yīng)力高、焊縫易產(chǎn)生裂紋的不利情況下，應(yīng)考慮選用比母材強(qiáng)度低的焊條。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南模具焊條批發(fā),焊條" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179275547675781/498916.png"></div><p> 對本實(shí)用新型作進(jìn)一步說明：結(jié)合圖1—圖4所示，一種防腐罐用焊條自動生產(chǎn)設(shè)備，由塑料擠出機(jī)a、水冷循環(huán)系統(tǒng)b、自動切斷機(jī)構(gòu)c、焊條接斗d組成，四者從前到后依次布置。水冷循環(huán)系統(tǒng)b，主要由機(jī)架1、水槽2、焊條導(dǎo)向桿3、水龍頭4、水管5和水泵組成。機(jī)架1上方設(shè)置有長條形的水槽2，水槽2由水平隔板分割成上層槽2a和下層槽，上層槽2a呈敞開狀態(tài)，下層槽為封閉狀態(tài)。在水槽2的兩端設(shè)置有連通槽2c。上層槽2a的前壁、后壁上對應(yīng)開設(shè)有焊條過孔2b，焊條過孔的直徑為等邊三角形焊條19邊長的兩倍到三倍之間，供從塑料擠出機(jī)出來的焊條通過，同時還能確保上層槽2a的冷卻水由焊條過孔2b流入連通槽2c。限定焊條過孔的直徑與等邊三角形焊條邊長之間的關(guān)系，既能確保對焊條位置的限定，又能確保水流量。在上層槽2a內(nèi)前后間隔安裝有兩根水平設(shè)置的焊條導(dǎo)向桿3，但不限于兩根，對通過的焊條進(jìn)行導(dǎo)向。焊條過孔2b、焊條導(dǎo)向桿3在高度上齊平，確保焊條在水冷過程中水平地順暢通過，防止焊條彎曲變形。上層槽2a的冷卻水能經(jīng)焊條過孔2b流入連通槽2c，并**終流進(jìn)下層槽，再由水泵將下層槽的水泵入與水龍頭4相連的水管5。水龍頭4位于上層槽2a的前壁上方并正對焊條過孔2b。焊芯的化學(xué)成分，直接影響焊縫的質(zhì)量。湖南模具焊條批發(fā)</p><p style="text-indent:25px">藥皮中含有大量的堿性造渣物（大理石、螢石等），并含有一定數(shù)量的脫氧劑和滲合金劑。湖南模具焊條批發(fā)</p><p> 油鋼焊絲>～HRC52～57沖裁模、量規(guī)、拉模、穿孔沖頭、可***使用在五金冷沖壓，手飾壓花模等，通用特殊工具鋼、耐磨、油冷。Cr鋼焊絲>～HRC55～57沖裁模、冷作成型模、冷拉模、沖頭、高硬度、高韌性、線切割性良好。焊補(bǔ)前先加溫預(yù)熱，焊補(bǔ)后請做后熱動作。MA-1G>～，超鏡面焊絲，主要應(yīng)用于**產(chǎn)品或要求極高的產(chǎn)品。硬度HRC48～50馬氏體時效鋼系，鋁壓鑄模，低壓鑄造模,鍛造模，沖裁模，注塑模的堆焊。特殊硬化高韌度合金，非常適用于鋁重力壓鑄模、澆口、延長使用壽命的2～3倍，可制作非常精密之模具、超鏡面（澆口補(bǔ)焊，使用不易熱疲勞裂痕）。高速鋼焊絲（SKH9）>～HRC61～63高速鋼，耐用性為普通高速鋼的～3倍，適用于制造加工高溫合金、不銹鋼、鈦合金、高強(qiáng)度鋼等難加工材料的刀.具、焊補(bǔ)拉刀、熱作高硬度工具、模具、熱鍛總模、熱沖模、螺絲模、耐磨耗硬面、高速度鋼、沖具、刀.具、電子零件、螺紋滾模、牙板、鉆滾輪、滾字模、壓縮機(jī)葉片及各種模具機(jī)械零件等...。經(jīng)過歐洲工業(yè)水準(zhǔn)嚴(yán)格品質(zhì)管制，高含碳量。成份優(yōu)良材料內(nèi)部組.織均勻，硬度穩(wěn)定，而且耐磨性、韌性、耐高溫等...。特性皆比一般同等級之材料為佳。氮化零件焊補(bǔ)焊絲>。湖南模具焊條批發(fā)</p><p style="text-indent:25px">簡敏精密五金制造(上海)有限公司坐落在顧北東路365號C區(qū)1101，是一家專業(yè)的精密五金、普通機(jī)械設(shè)備加工(限分支機(jī)構(gòu)經(jīng)營)、銷售;模具加工(限分支機(jī)構(gòu)經(jīng)營)及維修;工業(yè)設(shè)備、包裝材料、焊材、五金配件的加工(以上限分支機(jī)構(gòu)經(jīng)營)、銷售;工業(yè)自動化設(shè)備安裝及維修(除特種設(shè)備);自行車及配件(電動自行車按本市產(chǎn)品目錄經(jīng)營)、蓄電池、橡膠制品、電動工具、焊接材料、汽車配件、金屬材料、鋼材、建材的批發(fā)兼零售。公司。公司目前擁有高技術(shù)人才51~100人人，以不斷增強(qiáng)企業(yè)核心競爭力，加快企業(yè)技術(shù)創(chuàng)新，實(shí)現(xiàn)穩(wěn)健生產(chǎn)經(jīng)營。公司以誠信為本，業(yè)務(wù)領(lǐng)域涵蓋[ "模具焊條", "模具焊絲", "特種焊絲", "特種焊條" ]，我們本著對客戶負(fù)責(zé)，對員工負(fù)責(zé)，更是對公司發(fā)展負(fù)責(zé)的態(tài)度，爭取做到讓每位客戶滿意。一直以來公司堅持以客戶為中心、[ "模具焊條", "模具焊絲", "特種焊絲", "特種焊條" ]市場為導(dǎo)向，重信譽(yù)，保質(zhì)量，想客戶之所想，急用戶之所急，全力以赴滿足客戶的一切需要。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/247093.html</p></div></div></div></div></div><div id="3uwyqx3" class="page-right twoColRt"><div id="nh8ceg4" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="lfhjgnw" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="73273jl" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個科目真誠推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>寧波寧海直接考A2有幾個科目真誠推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)</p></a></div><div id="puwdarl" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/2083415.html"><div><img src="https://tyunfile.71360.com/UploadFile/WZAJZNKJ/637332852248037109/2461316.png" alt="200l桶自動灌裝機(jī)生產(chǎn)廠歡迎來電溫州奧基智能科技供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>200l桶自動灌裝機(jī)生產(chǎn)廠歡迎來電溫州奧基智能科技供應(yīng)</p></a></div><div id="v7solxu" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/1387.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/3/11/637004297269091023_cyjqc_1306937.jpg" alt="烏魯木齊市會務(wù)租車網(wǎng) 車永捷供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>烏魯木齊市會務(wù)租車網(wǎng) 車永捷供應(yīng)</p></a></div><div id="zogn87t" class="clear"></div></div><div id="7o77bq8" class="box01 box03"><h3><a href="http://www.cdcfah.com/xw/">***產(chǎn)品資訊</a></h3><ul></ul></div></div></section><div id="vkhtvct" class="page-proshow02"><p class="title">本企業(yè)其它產(chǎn)品 <span style="float:right;"><a >更多>></a></span></p><div id="nmjgs2y" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/117455.html"><div id="smoliub" class="reImg"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265669208984/3318362.png" alt="浙江特種焊絲供應(yīng)商歡迎來電簡敏精密五金制造供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>浙江特種焊絲供應(yīng)商歡迎來電簡敏精密五金制造供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/119621.html"><div id="bgxu3qs" class="reImg"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179275547109375/7215290.png" alt="江西高溫焊條焊絲商家歡迎來電簡敏精密五金制造供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>江西高溫焊條焊絲商家歡迎來電簡敏精密五金制造供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/119622.html"><div id="8szgneq" class="reImg"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265671406250/559850.png" alt="蘇州RD12M焊絲銷售歡迎來電簡敏精密五金制造供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>蘇州RD12M焊絲銷售歡迎來電簡敏精密五金制造供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/120727.html"><div id="cmjgi32" class="reImg"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179275559433594/2849051.png" alt="上海東海焊條焊絲歡迎來電簡敏精密五金制造供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>上海東海焊條焊絲歡迎來電簡敏精密五金制造供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/121297.html"><div id="b8l2v8d" class="reImg"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265664882812/4463123.png" alt="江西鈷基焊絲銷售歡迎來電簡敏精密五金制造供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>江西鈷基焊絲銷售歡迎來電簡敏精密五金制造供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/121845.html"><div id="etq2lfb" class="reImg"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265666699219/955806.png" alt="江西模具焊絲供貨廠歡迎咨詢簡敏精密五金制造供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>江西模具焊絲供貨廠歡迎咨詢簡敏精密五金制造供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/121846.html"><div id="8tlsp3h" class="reImg"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265671318359/8288159.jpg" alt="福建鈷基焊絲歡迎來電簡敏精密五金制造供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建鈷基焊絲歡迎來電簡敏精密五金制造供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/123093.html"><div id="hwy382p" class="reImg"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265664882812/4463123.png" alt="江蘇H13焊絲供貨廠歡迎來電簡敏精密五金制造供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>江蘇H13焊絲供貨廠歡迎來電簡敏精密五金制造供應(yīng)</p></a></li></ul></div></div><div id="yip88fx" class="page-proshow02"><p class="title">同類產(chǎn)品推薦 <span><a href="http://www.cdcfah.com/cp/first-_wjgj/">更多>></a></span></p><div id="mbnpwnf" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/1037732.html"><div id="nczb8he" class="reImg"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179275556279297/5986838.png" alt="浙江GGG70L焊條焊絲供貨廠歡迎來電簡敏精密五金制造供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>浙江GGG70L焊條焊絲供貨廠歡迎來電簡敏精密五金制造供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1037733.html"><div id="dnaxulx" class="reImg"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179275545937500/9427988.png" alt="浙江東海焊條焊絲工廠歡迎咨詢簡敏精密五金制造供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>浙江東海焊條焊絲工廠歡迎咨詢簡敏精密五金制造供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/745107.html"><div id="ue897su" class="reImg"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179275559433594/2849051.png" alt="河南模具焊條焊絲廠家歡迎咨詢簡敏精密五金制造供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>河南模具焊條焊絲廠家歡迎咨詢簡敏精密五金制造供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/121845.html"><div id="8g8nuw7" class="reImg"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265666699219/955806.png" alt="江西模具焊絲供貨廠歡迎咨詢簡敏精密五金制造供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>江西模具焊絲供貨廠歡迎咨詢簡敏精密五金制造供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/745109.html"><div id="t23tfr3" class="reImg"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265671406250/559850.png" alt="湖南THW焊條焊絲歡迎來電簡敏精密五金制造供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>湖南THW焊條焊絲歡迎來電簡敏精密五金制造供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/119622.html"><div id="dx8npby" class="reImg"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265671406250/559850.png" alt="蘇州RD12M焊絲銷售歡迎來電簡敏精密五金制造供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>蘇州RD12M焊絲銷售歡迎來電簡敏精密五金制造供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/803328.html"><div id="dnu3zbi" class="reImg"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179275547109375/7215290.png" alt="湖南日亞焊條訂購歡迎來電簡敏精密五金制造供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>湖南日亞焊條訂購歡迎來電簡敏精密五金制造供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/3203113.html"><div id="gqnfhjg" class="reImg"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265669208984/676197.png" alt="優(yōu)瑞卡焊條焊絲歡迎來電簡敏精密五金制造供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>優(yōu)瑞卡焊條焊絲歡迎來電簡敏精密五金制造供應(yīng)</p></a></li></ul></div></div></section></section><footer class="footer"><div id="mbtqszb" class="container"><p><a href="http://www.cdcfah.com/">首頁</a> | <a >企業(yè)名錄</a> | <a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a> | <a href="http://www.cdcfah.com/zx/">新聞資訊</a> | <a href="http://www.cdcfah.com/xw/">行業(yè)資訊</a> | <a href="http://www.cdcfah.com/zh/">展會信息</a> | <a href="http://www.cdcfah.com/sitemap.html">網(wǎng)站地圖</a> | </p><p><p><p>b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰??<a target="_blank">?<span style="white-space:normal;text-indent:24px;"><a target="_blank"><span style="font-family:" font-size:13.3333px;text-align:center;white-space:pre-wrap;caret-color:#1e6fff;background-color:#ffffff;"="">滬ICP備18002634號-32</span></a> </span><br /></a>??<span>??</span></p></p><p style="text-align:center;white-space:normal;"> <br /> </p> <p style="white-space:normal;text-align:center;"> <a target="_blank"></a> </p></p></div></footer> <footer> <a href="http://www.cdcfah.com/" title="六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u id="qgqbi"></u><noframes id="qgqbi"></noframes><menu id="qgqbi"></menu><blockquote id="qgqbi"></blockquote><track id="qgqbi"><label id="qgqbi"></label></track><tbody id="qgqbi"></tbody><legend id="qgqbi"></legend><th id="qgqbi"><button id="qgqbi"></button></th><listing id="qgqbi"><rt id="qgqbi"></rt></listing><sup id="qgqbi"><dd id="qgqbi"><tbody id="qgqbi"></tbody></dd></sup><menu id="qgqbi"><xmp id="qgqbi"></xmp></menu><fieldset id="qgqbi"><acronym id="qgqbi"></acronym></fieldset><wbr id="qgqbi"><mark id="qgqbi"><strong id="qgqbi"></strong></mark></wbr><tbody id="qgqbi"><small id="qgqbi"></small></tbody><label id="qgqbi"><tfoot id="qgqbi"></tfoot></label><div id="qgqbi"><th id="qgqbi"><object id="qgqbi"></object></th></div><listing id="qgqbi"></listing><source id="qgqbi"><ins id="qgqbi"></ins></source><noframes id="qgqbi"></noframes><noscript id="qgqbi"><strike id="qgqbi"><tt id="qgqbi"></tt></strike></noscript><strike id="qgqbi"><rp id="qgqbi"></rp></strike><dl id="qgqbi"></dl><th id="qgqbi"></th><acronym id="qgqbi"></acronym><center id="qgqbi"><input id="qgqbi"><div id="qgqbi"><th id="qgqbi"></th></div></input></center><label id="qgqbi"></label><tr id="qgqbi"><label id="qgqbi"><center id="qgqbi"></center></label></tr><menuitem id="qgqbi"><em id="qgqbi"><legend id="qgqbi"></legend></em></menuitem><pre id="qgqbi"></pre><fieldset id="qgqbi"><address id="qgqbi"><abbr id="qgqbi"><dl id="qgqbi"></dl></abbr></address></fieldset><sup id="qgqbi"><form id="qgqbi"></form></sup><form id="qgqbi"></form> <form id="qgqbi"></form><center id="qgqbi"><rp id="qgqbi"></rp></center><code id="qgqbi"></code><option id="qgqbi"><i id="qgqbi"><tr id="qgqbi"></tr></i></option><address id="qgqbi"></address><pre id="qgqbi"></pre><wbr id="qgqbi"></wbr><dl id="qgqbi"><delect id="qgqbi"><bdo id="qgqbi"></bdo></delect></dl><table id="qgqbi"><p id="qgqbi"></p></table><label id="qgqbi"><xmp id="qgqbi"><noscript id="qgqbi"><dl id="qgqbi"></dl></noscript></xmp></label><cite id="qgqbi"></cite><acronym id="qgqbi"><object id="qgqbi"><big id="qgqbi"></big></object></acronym><rp id="qgqbi"></rp><tt id="qgqbi"></tt><output id="qgqbi"></output><table id="qgqbi"><p id="qgqbi"><ruby id="qgqbi"></ruby></p></table><tt id="qgqbi"><tbody id="qgqbi"><acronym id="qgqbi"><b id="qgqbi"></b></acronym></tbody></tt><u id="qgqbi"></u><bdo id="qgqbi"><tr id="qgqbi"><dfn id="qgqbi"></dfn></tr></bdo><strike id="qgqbi"><font id="qgqbi"></font></strike><s id="qgqbi"></s><acronym id="qgqbi"><samp id="qgqbi"><code id="qgqbi"><pre id="qgqbi"></pre></code></samp></acronym><cite id="qgqbi"></cite><form id="qgqbi"><dl id="qgqbi"><pre id="qgqbi"><label id="qgqbi"></label></pre></dl></form><center id="qgqbi"><rp id="qgqbi"></rp></center><font id="qgqbi"></font><menu id="qgqbi"></menu><small id="qgqbi"><strong id="qgqbi"><sup id="qgqbi"><form id="qgqbi"></form></sup></strong></small><label id="qgqbi"><tfoot id="qgqbi"><em id="qgqbi"></em></tfoot></label><optgroup id="qgqbi"><fieldset id="qgqbi"><thead id="qgqbi"><strong id="qgqbi"></strong></thead></fieldset></optgroup><label id="qgqbi"></label><meter id="qgqbi"><noframes id="qgqbi"><i id="qgqbi"><ins id="qgqbi"></ins></i></noframes></meter><kbd id="qgqbi"></kbd><b id="qgqbi"></b><dl id="qgqbi"><delect id="qgqbi"><th id="qgqbi"><span id="qgqbi"></span></th></delect></dl><font id="qgqbi"></font><small id="qgqbi"></small><mark id="qgqbi"></mark><del id="qgqbi"><dfn id="qgqbi"><source id="qgqbi"><tr id="qgqbi"></tr></source></dfn></del><dd id="qgqbi"><ruby id="qgqbi"><menu id="qgqbi"></menu></ruby></dd><th id="qgqbi"><em id="qgqbi"></em></th><abbr id="qgqbi"></abbr><span id="qgqbi"><kbd id="qgqbi"><dfn id="qgqbi"><sub id="qgqbi"></sub></dfn></kbd></span><ins id="qgqbi"></ins><s id="qgqbi"><progress id="qgqbi"></progress></s><th id="qgqbi"></th><bdo id="qgqbi"></bdo><blockquote id="qgqbi"></blockquote><b id="qgqbi"></b><nav id="qgqbi"><div id="qgqbi"></div></nav> <meter id="qgqbi"><dfn id="qgqbi"><source id="qgqbi"><tr id="qgqbi"></tr></source></dfn></meter><tfoot id="qgqbi"></tfoot><big id="qgqbi"><pre id="qgqbi"><s id="qgqbi"></s></pre></big><small id="qgqbi"></small><table id="qgqbi"><td id="qgqbi"><sup id="qgqbi"></sup></td></table><form id="qgqbi"><tr id="qgqbi"></tr></form><tr id="qgqbi"><fieldset id="qgqbi"><thead id="qgqbi"><strong id="qgqbi"></strong></thead></fieldset></tr><ul id="qgqbi"></ul><center id="qgqbi"><optgroup id="qgqbi"><div id="qgqbi"></div></optgroup></center><rp id="qgqbi"><input id="qgqbi"><blockquote id="qgqbi"><th id="qgqbi"></th></blockquote></input></rp><tbody id="qgqbi"></tbody><form id="qgqbi"><u id="qgqbi"><fieldset id="qgqbi"></fieldset></u></form><rp id="qgqbi"></rp><b id="qgqbi"><small id="qgqbi"></small></b><dd id="qgqbi"></dd><kbd id="qgqbi"></kbd><code id="qgqbi"><pre id="qgqbi"><ul id="qgqbi"></ul></pre></code><strong id="qgqbi"></strong><cite id="qgqbi"><sub id="qgqbi"></sub></cite><object id="qgqbi"></object><dfn id="qgqbi"></dfn><pre id="qgqbi"></pre><xmp id="qgqbi"></xmp><pre id="qgqbi"></pre><sup id="qgqbi"><form id="qgqbi"><cite id="qgqbi"></cite></form></sup><tt id="qgqbi"><tbody id="qgqbi"><acronym id="qgqbi"><b id="qgqbi"></b></acronym></tbody></tt><input id="qgqbi"></input><acronym id="qgqbi"><samp id="qgqbi"><code id="qgqbi"></code></samp></acronym><nobr id="qgqbi"><pre id="qgqbi"><ul id="qgqbi"><strong id="qgqbi"></strong></ul></pre></nobr><menuitem id="qgqbi"><em id="qgqbi"><wbr id="qgqbi"><mark id="qgqbi"></mark></wbr></em></menuitem><dl id="qgqbi"></dl><rp id="qgqbi"><input id="qgqbi"><div id="qgqbi"></div></input></rp><div id="qgqbi"><button id="qgqbi"><pre id="qgqbi"><meter id="qgqbi"></meter></pre></button></div><address id="qgqbi"></address><thead id="qgqbi"><abbr id="qgqbi"><sup id="qgqbi"></sup></abbr></thead><em id="qgqbi"></em><ul id="qgqbi"><listing id="qgqbi"><wbr id="qgqbi"></wbr></listing></ul><listing id="qgqbi"></listing><wbr id="qgqbi"></wbr><thead id="qgqbi"><abbr id="qgqbi"><strike id="qgqbi"></strike></abbr></thead><menuitem id="qgqbi"></menuitem><pre id="qgqbi"></pre><pre id="qgqbi"></pre><dl id="qgqbi"><delect id="qgqbi"><bdo id="qgqbi"><span id="qgqbi"></span></bdo></delect></dl><ruby id="qgqbi"></ruby><pre id="qgqbi"><strike id="qgqbi"><tt id="qgqbi"><i id="qgqbi"></i></tt></strike></pre><fieldset id="qgqbi"><address id="qgqbi"></address></fieldset><cite id="qgqbi"><sub id="qgqbi"></sub></cite><optgroup id="qgqbi"></optgroup><fieldset id="qgqbi"><address id="qgqbi"></address></fieldset></div> <div class="friend-links"> <a href="http://www.bjcldhs.com">亚洲另类在线欧美制服</a> <a href="http://www.ahlxmyzz.com">色七七在线综合视频</a> <a href="http://www.junzishuo.com">亚洲中文字幕久久精品91</a> <a href="http://www.yhzblp.com">国产精品自在在线免费</a> <a href="http://www.zwlkg.com">久久国产乱子伦精品免费午夜</a> </div> </footer> <script> (function(){ var bp = document.createElement('script'); var curProtocol = window.location.protocol.split(':')[0]; if (curProtocol === 'https') { bp.src = 'https://zz.bdstatic.com/linksubmit/push.js'; } else { bp.src = 'http://push.zhanzhang.baidu.com/push.js'; } var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(bp, s); })(); </script> </body><div id="qbpdh" class="pl_css_ganrao" style="display: none;"><code id="qbpdh"><pre id="qbpdh"></pre></code><tr id="qbpdh"><label id="qbpdh"><thead id="qbpdh"></thead></label></tr><form id="qbpdh"><u id="qbpdh"><fieldset id="qbpdh"></fieldset></u></form><option id="qbpdh"><i id="qbpdh"></i></option><form id="qbpdh"><legend id="qbpdh"></legend></form><progress id="qbpdh"></progress><label id="qbpdh"></label><legend id="qbpdh"></legend><div id="qbpdh"><th id="qbpdh"><object id="qbpdh"></object></th></div><var id="qbpdh"><center id="qbpdh"></center></var><output id="qbpdh"></output><big id="qbpdh"></big><meter id="qbpdh"></meter><del id="qbpdh"><code id="qbpdh"></code></del><div id="qbpdh"><button id="qbpdh"><object id="qbpdh"><meter id="qbpdh"></meter></object></button></div><button id="qbpdh"><style id="qbpdh"><meter id="qbpdh"><dfn id="qbpdh"></dfn></meter></style></button><sub id="qbpdh"><label id="qbpdh"></label></sub><center id="qbpdh"></center><del id="qbpdh"></del><strong id="qbpdh"></strong><source id="qbpdh"><ins id="qbpdh"><fieldset id="qbpdh"></fieldset></ins></source><big id="qbpdh"><pre id="qbpdh"><s id="qbpdh"><progress id="qbpdh"></progress></s></pre></big><menuitem id="qbpdh"></menuitem><form id="qbpdh"><u id="qbpdh"></u></form><output id="qbpdh"><strong id="qbpdh"></strong></output><thead id="qbpdh"><strong id="qbpdh"><big id="qbpdh"></big></strong></thead><th id="qbpdh"></th><acronym id="qbpdh"><samp id="qbpdh"><nobr id="qbpdh"><pre id="qbpdh"></pre></nobr></samp></acronym><strike id="qbpdh"><rp id="qbpdh"></rp></strike><var id="qbpdh"><address id="qbpdh"><strong id="qbpdh"></strong></address></var><progress id="qbpdh"></progress><small id="qbpdh"><strong id="qbpdh"><sup id="qbpdh"><form id="qbpdh"></form></sup></strong></small><del id="qbpdh"><code id="qbpdh"><form id="qbpdh"></form></code></del><var id="qbpdh"></var><strike id="qbpdh"><rp id="qbpdh"><sup id="qbpdh"></sup></rp></strike><nobr id="qbpdh"></nobr><progress id="qbpdh"></progress><th id="qbpdh"></th><tbody id="qbpdh"></tbody><em id="qbpdh"><style id="qbpdh"><mark id="qbpdh"></mark></style></em><code id="qbpdh"><pre id="qbpdh"><ul id="qbpdh"></ul></pre></code><dfn id="qbpdh"></dfn><listing id="qbpdh"></listing><pre id="qbpdh"></pre><big id="qbpdh"></big><abbr id="qbpdh"></abbr><noframes id="qbpdh"></noframes><dl id="qbpdh"><small id="qbpdh"><bdo id="qbpdh"><pre id="qbpdh"></pre></bdo></small></dl><menu id="qbpdh"></menu><listing id="qbpdh"><wbr id="qbpdh"><kbd id="qbpdh"><strong id="qbpdh"></strong></kbd></wbr></listing><option id="qbpdh"><i id="qbpdh"></i></option><source id="qbpdh"></source><option id="qbpdh"><s id="qbpdh"><ul id="qbpdh"><listing id="qbpdh"></listing></ul></s></option><output id="qbpdh"></output><dfn id="qbpdh"><strike id="qbpdh"><output id="qbpdh"></output></strike></dfn><td id="qbpdh"><li id="qbpdh"><th id="qbpdh"><em id="qbpdh"></em></th></li></td><pre id="qbpdh"><strike id="qbpdh"><option id="qbpdh"></option></strike></pre><rp id="qbpdh"></rp><bdo id="qbpdh"><pre id="qbpdh"></pre></bdo><u id="qbpdh"><thead id="qbpdh"><acronym id="qbpdh"><menu id="qbpdh"></menu></acronym></thead></u><pre id="qbpdh"><meter id="qbpdh"><option id="qbpdh"></option></meter></pre><tfoot id="qbpdh"></tfoot><nobr id="qbpdh"></nobr><dl id="qbpdh"><pre id="qbpdh"><label id="qbpdh"></label></pre></dl><thead id="qbpdh"><sup id="qbpdh"><menu id="qbpdh"></menu></sup></thead><em id="qbpdh"><style id="qbpdh"><tbody id="qbpdh"><noframes id="qbpdh"></noframes></tbody></style></em><ol id="qbpdh"></ol><u id="qbpdh"></u><tt id="qbpdh"></tt><dd id="qbpdh"><li id="qbpdh"><ol id="qbpdh"></ol></li></dd><wbr id="qbpdh"></wbr><center id="qbpdh"></center><ol id="qbpdh"></ol><div id="qbpdh"><th id="qbpdh"><object id="qbpdh"></object></th></div><nobr id="qbpdh"><s id="qbpdh"><ul id="qbpdh"><listing id="qbpdh"></listing></ul></s></nobr><center id="qbpdh"><optgroup id="qbpdh"><div id="qbpdh"><th id="qbpdh"></th></div></optgroup></center><li id="qbpdh"></li><dfn id="qbpdh"></dfn><track id="qbpdh"></track><cite id="qbpdh"><sub id="qbpdh"><input id="qbpdh"></input></sub></cite><nav id="qbpdh"><div id="qbpdh"></div></nav><th id="qbpdh"></th><sup id="qbpdh"><form id="qbpdh"></form></sup><output id="qbpdh"><table id="qbpdh"><dd id="qbpdh"><ruby id="qbpdh"></ruby></dd></table></output><var id="qbpdh"></var><sub id="qbpdh"><label id="qbpdh"><progress id="qbpdh"></progress></label></sub><sup id="qbpdh"><ol id="qbpdh"><legend id="qbpdh"><sub id="qbpdh"></sub></legend></ol></sup><del id="qbpdh"><dfn id="qbpdh"><form id="qbpdh"></form></dfn></del><form id="qbpdh"><u id="qbpdh"></u></form><strike id="qbpdh"></strike><acronym id="qbpdh"><b id="qbpdh"><legend id="qbpdh"></legend></b></acronym><video id="qbpdh"><ol id="qbpdh"><samp id="qbpdh"></samp></ol></video><center id="qbpdh"></center><div id="qbpdh"><th id="qbpdh"><acronym id="qbpdh"></acronym></th></div><div id="qbpdh"><th id="qbpdh"><acronym id="qbpdh"></acronym></th></div><thead id="qbpdh"></thead><xmp id="qbpdh"></xmp><sub id="qbpdh"><label id="qbpdh"><progress id="qbpdh"></progress></label></sub><dd id="qbpdh"><ruby id="qbpdh"></ruby></dd><input id="qbpdh"></input><b id="qbpdh"></b><tt id="qbpdh"><tbody id="qbpdh"></tbody></tt><label id="qbpdh"><tfoot id="qbpdh"><listing id="qbpdh"></listing></tfoot></label><source id="qbpdh"></source><dd id="qbpdh"><ruby id="qbpdh"><ol id="qbpdh"></ol></ruby></dd><del id="qbpdh"><dfn id="qbpdh"></dfn></del><sup id="qbpdh"><dd id="qbpdh"><tbody id="qbpdh"></tbody></dd></sup><video id="qbpdh"></video><dl id="qbpdh"><small id="qbpdh"><p id="qbpdh"></p></small></dl><pre id="qbpdh"><dfn id="qbpdh"></dfn></pre><i id="qbpdh"><ins id="qbpdh"><abbr id="qbpdh"></abbr></ins></i><em id="qbpdh"><style id="qbpdh"><tbody id="qbpdh"><noframes id="qbpdh"></noframes></tbody></style></em><acronym id="qbpdh"><strong id="qbpdh"></strong></acronym><source id="qbpdh"><ins id="qbpdh"><var id="qbpdh"></var></ins></source><dl id="qbpdh"></dl><big id="qbpdh"><track id="qbpdh"></track></big><ol id="qbpdh"></ol><form id="qbpdh"><dl id="qbpdh"><sub id="qbpdh"><label id="qbpdh"></label></sub></dl></form><xmp id="qbpdh"></xmp><sup id="qbpdh"></sup><track id="qbpdh"></track><dfn id="qbpdh"></dfn><optgroup id="qbpdh"></optgroup><center id="qbpdh"></center><tfoot id="qbpdh"></tfoot><tt id="qbpdh"><i id="qbpdh"><tr id="qbpdh"></tr></i></tt><rp id="qbpdh"><dl id="qbpdh"></dl></rp><strike id="qbpdh"></strike><source id="qbpdh"><ul id="qbpdh"></ul></source><sup id="qbpdh"><form id="qbpdh"></form></sup><pre id="qbpdh"><meter id="qbpdh"><option id="qbpdh"></option></meter></pre><tr id="qbpdh"></tr><video id="qbpdh"><menu id="qbpdh"><samp id="qbpdh"><track id="qbpdh"></track></samp></menu></video><optgroup id="qbpdh"></optgroup><dfn id="qbpdh"><strike id="qbpdh"></strike></dfn><thead id="qbpdh"></thead><legend id="qbpdh"><dfn id="qbpdh"><table id="qbpdh"></table></dfn></legend><p id="qbpdh"></p><pre id="qbpdh"></pre><tfoot id="qbpdh"></tfoot><xmp id="qbpdh"></xmp><li id="qbpdh"></li><blockquote id="qbpdh"><bdo id="qbpdh"><acronym id="qbpdh"></acronym></bdo></blockquote><rp id="qbpdh"><dl id="qbpdh"></dl></rp><th id="qbpdh"><em id="qbpdh"></em></th><em id="qbpdh"><style id="qbpdh"></style></em><ol id="qbpdh"></ol><strike id="qbpdh"><center id="qbpdh"><nav id="qbpdh"><div id="qbpdh"></div></nav></center></strike></div></html>