鑄鐵拉延焊條焊絲供應(yīng)商歡迎咨詢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=" 通過外力很快就形成小部份短路移動工件上去，由于熔化得少，工件與之相比大很多。溫度很快就散發(fā)掉了，鑄鐵拉延焊條焊絲供應(yīng)商。焊絲溫度不會持續(xù)上升至其整段發(fā)紅，抗紅能力***。與普通焊絲相比，如果持"><meta name="keywords" content="鑄鐵拉延焊條焊絲供應(yīng)商,焊條焊絲"><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="1tyuw" class="pl_css_ganrao" style="display: none;"><input id="1tyuw"><dfn id="1tyuw"><rp id="1tyuw"><thead id="1tyuw"></thead></rp></dfn></input><b id="1tyuw"></b><tfoot id="1tyuw"><p id="1tyuw"><label id="1tyuw"></label></p></tfoot><div id="1tyuw"><source id="1tyuw"></source></div><strike id="1tyuw"><center id="1tyuw"></center></strike><strong id="1tyuw"></strong><blockquote id="1tyuw"></blockquote><ins id="1tyuw"><label id="1tyuw"><center id="1tyuw"></center></label></ins><strike id="1tyuw"><output id="1tyuw"><nav id="1tyuw"></nav></output></strike><strong id="1tyuw"></strong><acronym id="1tyuw"><b id="1tyuw"></b></acronym><small id="1tyuw"><pre id="1tyuw"><delect id="1tyuw"></delect></pre></small><abbr id="1tyuw"><strike id="1tyuw"></strike></abbr><sup id="1tyuw"></sup><small id="1tyuw"><p id="1tyuw"></p></small><output id="1tyuw"><table id="1tyuw"><dd id="1tyuw"><ruby id="1tyuw"></ruby></dd></table></output><input id="1tyuw"></input><p id="1tyuw"></p><th id="1tyuw"><em id="1tyuw"><rt id="1tyuw"></rt></em></th><optgroup id="1tyuw"></optgroup><dd id="1tyuw"></dd><strong id="1tyuw"></strong><output id="1tyuw"><table id="1tyuw"><dd id="1tyuw"><ruby id="1tyuw"></ruby></dd></table></output><em id="1tyuw"><style id="1tyuw"><tbody id="1tyuw"></tbody></style></em><output id="1tyuw"><strong id="1tyuw"><dd id="1tyuw"></dd></strong></output><pre id="1tyuw"><tfoot id="1tyuw"></tfoot></pre><li id="1tyuw"></li><output id="1tyuw"><strong id="1tyuw"><dd id="1tyuw"></dd></strong></output><form id="1tyuw"><u id="1tyuw"><fieldset id="1tyuw"></fieldset></u></form><noframes id="1tyuw"></noframes><optgroup id="1tyuw"><fieldset id="1tyuw"><thead id="1tyuw"><strong id="1tyuw"></strong></thead></fieldset></optgroup><thead id="1tyuw"><strong id="1tyuw"></strong></thead><mark id="1tyuw"></mark><span id="1tyuw"><kbd id="1tyuw"><dfn id="1tyuw"><sub id="1tyuw"></sub></dfn></kbd></span><samp id="1tyuw"></samp><cite id="1tyuw"><sub id="1tyuw"></sub></cite><small id="1tyuw"></small><mark id="1tyuw"></mark><video id="1tyuw"><menu id="1tyuw"><big id="1tyuw"><track id="1tyuw"></track></big></menu></video><thead id="1tyuw"><ruby id="1tyuw"><ol id="1tyuw"></ol></ruby></thead><label id="1tyuw"><progress id="1tyuw"><em id="1tyuw"></em></progress></label><rt id="1tyuw"></rt><dfn id="1tyuw"></dfn><code id="1tyuw"></code><optgroup id="1tyuw"><div id="1tyuw"><video id="1tyuw"><object id="1tyuw"></object></video></div></optgroup><abbr id="1tyuw"></abbr><div id="1tyuw"><th id="1tyuw"><acronym id="1tyuw"><del id="1tyuw"></del></acronym></th></div><del id="1tyuw"><cite id="1tyuw"></cite></del><form id="1tyuw"></form></div><header class="header container"><span id="gsuzrp3" 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="tfvsugq" 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="oit3oan" class="searchbox"><div id="qf8qnub" class="searchLt"><div id="rbq484i" 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="gas5042" class="clearfix searchWrap"><div id="jx8bcjg" 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="dc33pgi" 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="82wwv8c" class="twoCol"><div id="eishdel" class="page-proshow clearfix"><p class="current"> 當前位置:<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>?鑄鐵拉延焊條焊絲供應(yīng)商歡迎咨詢簡敏精密五金制造供應(yīng)</p><div id="qkblct8" class="leftbox clearfix"><h1>鑄鐵拉延焊條焊絲供應(yīng)商歡迎咨詢簡敏精密五金制造供應(yīng)</h1><div id="zdkj3jl" class="proBig"><div id="ocjlsjg" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179275545937500/9427988.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8vqsu72" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179275545937500/9427988.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="m7z2vh8" 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>鑄鐵拉延焊條焊絲供應(yīng)商,焊條焊絲</p><p><span>***更新：</span>2020-07-05 11:14:49</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="3myacjb" 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: </span>021-69726282</p><p><span>地址: </span>顧北東路365號C區(qū)1101</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="ykc78jl" class="page-proshow02"><p class="title">詳細說明</p><div id="3egiamo" class="box"><p><p> 通過外力很快就形成小部份短路移動工件上去，由于熔化得少，工件與之相比大很多。溫度很快就散發(fā)掉了，鑄鐵拉延焊條焊絲供應(yīng)商。焊絲溫度不會持續(xù)上升至其整段發(fā)紅，抗紅能力***。與普通焊絲相比，如果持續(xù)時間過長，就會出現(xiàn)焊絲嚴重發(fā)紅，焊點發(fā)黑現(xiàn)象。就算能焊，焊補的時候，容易出現(xiàn)氧化，掉渣，焊不高等現(xiàn)象.，并且影響其后續(xù)加工。焊絲CO2焊編輯二氧化碳氣體保護電弧焊（簡稱CO2焊）的保護氣體是二氧化碳（有時采用CO2+O2的混合氣體）。由于二氧化碳氣體的0熱物理性能的特殊影響，使用常規(guī)焊接電源時，焊絲端頭熔化金屬不可能形成平衡的軸向自由過渡，通常需要采用短路和熔滴縮頸爆斷、因此，與MIG焊自由過渡相比，飛濺較多。但如采用質(zhì)量焊機，參數(shù)選擇合適，可以得到很穩(wěn)定的焊接過程，使飛濺降低到**小的程度。由于所用保護氣體價格低廉，采用短路過渡時焊縫成形良好，加上使用含脫氧劑的焊絲即可獲得無內(nèi)部缺點的高質(zhì)量焊接接頭。因此這種焊接方法目前已成為黑色金屬材料**重要焊接方法之一。CO2立焊雙面成形焊絲型號編輯常用的焊絲型號：常見的氣體保護藥芯焊絲有：LQ122、LQ172、LQ212、LQ337、LQ423、LQ439、LQ451、LQ537、LQ582、LQ585、LQ605、LQ621、LQ666、LQ707等，鑄鐵拉延焊條焊絲供應(yīng)商，鑄鐵拉延焊條焊絲供應(yīng)商。打開焊絲包裝應(yīng)盡快將其全部用完（要求在一周以內(nèi)），一旦焊絲直接暴露在空氣中，其防銹時間將**縮短。鑄鐵拉延焊條焊絲供應(yīng)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鑄鐵拉延焊條焊絲供應(yīng)商,焊條焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179275545937500/9427988.png"></div><p> 比較大為。二氧化碳氣體保護焊常用焊絲的直徑有、、、。下表列出了部分常用氣體保護焊焊絲的牌號、型號對照以及它們的用途。氣體保護焊用鋼絲：（GB/T14958—94）氣體保護焊用鋼絲適于低碳鋼、低合金鋼和合金鋼的氣體（CO2、CO2+O2、CO2+Ar）保護焊，是冷拉鋼絲。表面狀態(tài)有鍍銅（DT）和未鍍銅兩種，交貨狀態(tài)為捆（盤）狀(KZ)和纏軸(CZ)。鋼絲牌號有H08MnSi、H08Mn2Si、H08Mn2SiA、H11MnSi、H11Mn2SiA五種。熔化焊用鋼絲：（GB/T14957—94）熔化焊用鋼絲是適用于氣體保護焊、埋弧焊、電渣焊和氣焊的冷拉鋼絲。焊絲牌號以字母“H”開頭。對于低碳鋼焊件，使用的牌號有H08A、H08MnA、H10Mn2等，其中H08A使用**為普遍。溶化焊用鋼絲的公稱直徑有、2mm、、3mm、、、、。藥芯焊絲藥芯焊絲的結(jié)構(gòu)藥芯焊絲外觀雖如普通焊絲，卻內(nèi)裝焊劑，可分為加氣體保護的氣保護型藥芯焊絲和不加氣體保護的自保護藥芯焊絲以及埋弧焊藥芯焊絲等。藥芯焊絲內(nèi)的焊劑可以起到焊條藥皮類似的保護熔滴、熔池免受氧化、氮化、輔助焊縫成形、穩(wěn)定電弧、脫氧、脫硫、滲合金等一系列有益作用。它兼具了焊條和(：02實芯焊絲的優(yōu)點。制造規(guī)格有、、、、、、、。一般把直徑小于2mm的焊絲稱為細徑焊絲。鑄鐵拉延焊條焊絲供應(yīng)商?低合金鋼焊材的焊劑系統(tǒng)的開發(fā)融合了酸性系的作業(yè)性與堿性系的優(yōu)良機械性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鑄鐵拉延焊條焊絲供應(yīng)商,焊條焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265668525390/8688498.png"></div><p> 2送絲輪壓力不夠3送絲軟管堵塞或接頭處有硬彎或不匹配4導(dǎo)電嘴孔徑太大或太小5送絲軟管彎曲半徑小于400mm1更換與焊絲直徑相匹配的送絲輪2調(diào)整壓力3清理送絲軟管或更換4更換合適孔徑的導(dǎo)電嘴5展開送絲軟管2.三相電源的相間電壓不平衡檢查輸入電壓加大供電電源容量3.電網(wǎng)電壓缺相不與其他大功率用電裝置公用同**路4.焊工操作或規(guī)范選用不當正確施焊，重新選擇焊接規(guī)范5.連接處接觸不良檢查輸入線，空氣開關(guān)等部件6.二次側(cè)極性接反。7導(dǎo)電嘴磨損嚴重6更正接線.7。更換導(dǎo)電嘴焊接時焊機常見故障與排除方法：故障現(xiàn)象故障原因排除方法焊縫產(chǎn)生氣孔1.工件表面不清潔2.焊絲表面有油污或生銹，空氣進入焊接區(qū)5.噴嘴上粘有飛濺物，保護氣流不暢，銹跡等2.***焊絲，送絲輪和軟管中的油污3.檢查氣瓶，氣帶，壓力表是否漏氣4.采取保護措施5.***噴嘴上飛濺物。</p><p> -40℃）/J標準值≥890940～1180≥15≥47Mn4Ni2CrMo，44，52，64，54Ok8，53，49，65，48表11MF745B和MF1100M熔敷金屬化學成分（質(zhì)量分數(shù)）（%）成分CMnSiPSCrNiMoV標準值～～≤≤≤～～～≤MF745BMF1100M—表12MF745B和MF1100M熔敷金屬力學性能項目Re/MPaRm/MPaA（%）KV2（-40℃）/J標準值≥890940～1180≥15≥47MF745B78099044，46，48，47，42MF1100M88995956，56，51，56，56三、結(jié)語700MPa級的實芯焊絲與藥芯焊絲均能滿足力學性能要求，并且焊縫的塑性和韌性方面藥芯焊絲略優(yōu)于實芯焊絲。900MPa級的實芯焊絲比藥芯焊絲力學性能優(yōu)良。此外，實芯焊絲焊接煙塵較小，送絲平穩(wěn)，容易保存；藥芯焊絲易吸潮，保存管理的要求更為嚴格。根據(jù)兩類焊材的特點，為公司不同產(chǎn)品的焊材選擇提供了技術(shù)支持。作者簡介：吳曉玲，太重（天津）濱海重型機械有限公司質(zhì)量部；張曉剛，太原重工股份有限公司工程機械分公司。?二氧化碳氣體保護電弧焊（簡稱CO2焊）的保護氣體是二氧化碳（有時采用CO2+O2的混合氣體）。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鑄鐵拉延焊條焊絲供應(yīng)商,焊條焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179275556074219/4349132.png"></div><p> 立向下焊的缺點與原因缺點原因缺點原因焊瘤1.焊速過慢2.電壓過低3.焊操作不好4.焊角度不好5.表面粘有不純物咬邊1.焊速過快2.電壓過高3.焊未瞄準熔融金屬分散1.焊角度不好2.電流電壓過高裂紋1.焊速過慢2.電流電壓過高橫焊（焊接手法可采用直線法或直線往復(fù)法）橫焊的缺點與原因缺點原因咬邊1.電壓過高2.焊速過**.焊角度不好4.瞄準位置不好焊瘤1.電壓過低2.焊速過慢3.焊角度不好4.面準位置不好5.電流過高仰角焊（焊接手法直線法或擺動手法）仰焊的缺點與原因缺點熔深不好咬邊重力下垂（焊瘤）原因1.電流相對于電壓過低2.焊速過**.焊角度不好4.焊操作不好1.焊速過快2.電壓相對于電流高3.瞄準位置不好4.焊角度不好5.焊操作不好1.電壓相對于電流低2.瞄準位置不好3.焊角度不好4.焊操作不好世上無難事，只怕有心人。只要你想焊好，在實踐中不斷的積累經(jīng)驗，找出焊接缺點出現(xiàn)的原因，采用適當?shù)姆椒ū苊獬霈F(xiàn)焊接缺點。如果你不思進取，不把技術(shù)練好，只想我會焊就行，那么我可以肯定的告訴你，你永遠只會時一個初級操作工，原因很簡單因為你不想付出努力成為師傅。八、焊接電弧不穩(wěn)的原因原因排除方法1.送絲不穩(wěn)：1送絲輪V型槽口磨損或與焊絲直徑不匹配。。。美國專利公布了一種帶芯絲的藥芯焊絲制造方法,芯絲上壓涂一層膏狀藥皮,就成了焊絲中的藥芯。鑄鐵拉延焊條焊絲供應(yīng)商</p><p style="text-indent:25px">選擇具有熔化溫度低于母材的填充金屬，可**減小熱影響區(qū)中晶間裂紋傾向。鑄鐵拉延焊條焊絲供應(yīng)商</p><p> 3）實芯焊絲試驗ISO16834《高強鋼氣體保護電弧焊焊接材料分類》標準對屈服強度≥500MPa（或抗拉強度≥570MPa）的高強鋼焊絲的成分、性能及檢測方法做了具體規(guī)定。依據(jù)該標準，進行了焊絲的試驗研究工作。兩種焊絲的化學成分檢測結(jié)果如表3所示。表1Q690E的化學成分（質(zhì)量分數(shù)）（%）成分AlTiCuNbNiVB標準值≤≤≤≤≤≤—表2Q690E的力學性能項目Re/MPaRm/MPaA（%）KV2（-40℃）/J標準值≥690770～940≥14≥34典型值試驗中發(fā)現(xiàn)，焊縫金屬的強度、沖擊韌性值對焊接參數(shù)的變化相當敏感。在焊接電流、電壓一定的情況下，當焊接速度過快，使焊接熱輸入偏低時，焊縫金屬的強度***提高、伸長率變小，低溫沖擊韌性降低；而焊接熱輸入偏大、焊縫冷卻速度慢，或?qū)樱ǖ溃╅g溫度過高時，焊縫金屬的強度、沖擊韌性都有所下降。要獲得理想的焊縫性能，必須嚴格控制預(yù)熱溫度、層（道）間溫度，并控制焊接熱輸入在～。焊接工藝：預(yù)熱溫度為120℃，道間溫度為120～170℃；焊接電流為240～280A，焊接電壓為24～30V，保護氣體為80%Ar+20%CO2混合氣體保護；焊接熱輸入～。多道焊時，先焊坡口兩側(cè)的焊縫，再焊中間的焊縫。焊后用石棉布覆蓋，保溫緩冷至室溫。力學性能試驗結(jié)果如表4所示。鑄鐵拉延焊條焊絲供應(yīng)商</p><p style="text-indent:25px">簡敏精密五金制造(上海)有限公司創(chuàng)辦于2016-12-05，是一家生產(chǎn)型的公司。經(jīng)過多年不斷的歷練探索和創(chuàng)新發(fā)展，公司致力于為客戶提供安全、質(zhì)量有保障的質(zhì)量產(chǎn)品及服務(wù)，是一家有限責任公司（自然）企業(yè)。公司始終堅持客戶需求***的原則，致力于提供高質(zhì)量的[ "模具焊條", "模具焊絲", "特種焊絲", "特種焊條" ]。簡敏五金制造順應(yīng)時代發(fā)展和市場需求，通過**技術(shù)，力圖保證高規(guī)格高質(zhì)量的[ "模具焊條", "模具焊絲", "特種焊絲", "特種焊條" ]。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/501890.html</p></div></div></div></div></div><div id="dpbyfhy" class="page-right twoColRt"><div id="8ob7yam" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="zjg8d2w" 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配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="3c8ta7b" 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商務(wù)信息咨詢供應(yīng)</p></a></div><div id="tdaxebi" 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桶自動灌裝機生產(chǎn)廠歡迎來電溫州奧基智能科技供應(yīng)</p></a></div><div id="h8hbs22" 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="8u7qxzw" class="clear"></div></div><div id="p3kryfr" 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="odas28m" 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="nczr2ug" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/117455.html"><div id="kurtvcj" 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="3srykri" 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="blx7fz8" 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="4ln8vx3" 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="lpm8pwt" 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="ixpwy8t" 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="ztv23x2" 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="bldq27p" 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="qfcumoq" 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="odkmo78" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/1037732.html"><div id="a8kc3ic" 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="fpmjvo7" 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="i7npvct" 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="7jgszls" 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="fuw2cuw" 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="ynkhtax" 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="qa8a3ry" 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="8e8oyfm" 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="etq2ld8" 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="geo8i" class="pl_css_ganrao" style="display: none;"><thead id="geo8i"></thead><video id="geo8i"><ol id="geo8i"><samp id="geo8i"></samp></ol></video><dd id="geo8i"></dd><menuitem id="geo8i"></menuitem><label id="geo8i"><progress id="geo8i"></progress></label><label id="geo8i"><tfoot id="geo8i"><em id="geo8i"><style id="geo8i"></style></em></tfoot></label><acronym id="geo8i"><strong id="geo8i"><big id="geo8i"><track id="geo8i"></track></big></strong></acronym><dfn id="geo8i"></dfn><form id="geo8i"><legend id="geo8i"><track id="geo8i"><input id="geo8i"></input></track></legend></form><output id="geo8i"></output><b id="geo8i"></b><output id="geo8i"><table id="geo8i"><dd id="geo8i"><ruby id="geo8i"></ruby></dd></table></output><tr id="geo8i"><abbr id="geo8i"><legend id="geo8i"></legend></abbr></tr><wbr id="geo8i"><form id="geo8i"></form></wbr><tbody id="geo8i"><noframes id="geo8i"><p id="geo8i"></p></noframes></tbody><pre id="geo8i"></pre><font id="geo8i"></font><input id="geo8i"></input><pre id="geo8i"><strike id="geo8i"><option id="geo8i"><i id="geo8i"></i></option></strike></pre><strike id="geo8i"><center id="geo8i"><nav id="geo8i"><blockquote id="geo8i"></blockquote></nav></center></strike><table id="geo8i"></table><mark id="geo8i"></mark><dl id="geo8i"></dl><pre id="geo8i"></pre><big id="geo8i"><track id="geo8i"></track></big><strike id="geo8i"><option id="geo8i"><s id="geo8i"></s></option></strike><legend id="geo8i"></legend><sup id="geo8i"></sup><s id="geo8i"><progress id="geo8i"><listing id="geo8i"></listing></progress></s><strong id="geo8i"></strong><pre id="geo8i"><u id="geo8i"><fieldset id="geo8i"></fieldset></u></pre><meter id="geo8i"></meter><table id="geo8i"></table><strong id="geo8i"><sup id="geo8i"><form id="geo8i"><legend id="geo8i"></legend></form></sup></strong><ins id="geo8i"><optgroup id="geo8i"><thead id="geo8i"></thead></optgroup></ins><dfn id="geo8i"><table id="geo8i"></table></dfn><dfn id="geo8i"><code id="geo8i"><form id="geo8i"><u id="geo8i"></u></form></code></dfn><legend id="geo8i"></legend><i id="geo8i"><tr id="geo8i"><abbr id="geo8i"><strike id="geo8i"></strike></abbr></tr></i><style id="geo8i"></style><mark id="geo8i"></mark><listing id="geo8i"></listing><form id="geo8i"><u id="geo8i"></u></form><ruby id="geo8i"></ruby><th id="geo8i"><em id="geo8i"></em></th><tr id="geo8i"></tr><form id="geo8i"></form><source id="geo8i"><ins id="geo8i"><fieldset id="geo8i"></fieldset></ins></source><em id="geo8i"></em></div></html>