上海特種車輛封頭廠制造無錫國鑫封頭供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="封頭在700℃以上進(jìn)行鍛造時(shí)，由于變形能可得到動(dòng)態(tài)釋放，成形阻力急劇減小，在700-850℃鍛造時(shí)，鍛件氧化皮較少，表面脫碳現(xiàn)象較輕微，鍛件尺寸變化較小，在950℃以上鍛造時(shí)，雖然成形力更小，上海特種車輛封頭廠制造，但鍛件氧化皮和表面脫碳現(xiàn)"><meta name="keywords" content="上海特種車輛封頭廠制造,封頭"><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="0xjbu" class="pl_css_ganrao" style="display: none;"><ruby id="0xjbu"><delect id="0xjbu"><td id="0xjbu"></td></delect></ruby><i id="0xjbu"><tr id="0xjbu"><abbr id="0xjbu"></abbr></tr></i><acronym id="0xjbu"></acronym><big id="0xjbu"></big><table id="0xjbu"><track id="0xjbu"><mark id="0xjbu"><legend id="0xjbu"></legend></mark></track></table><pre id="0xjbu"></pre><rp id="0xjbu"><del id="0xjbu"></del></rp><div id="0xjbu"><th id="0xjbu"></th></div><tt id="0xjbu"><i id="0xjbu"><menuitem id="0xjbu"></menuitem></i></tt><table id="0xjbu"><p id="0xjbu"></p></table><input id="0xjbu"><progress id="0xjbu"><th id="0xjbu"><rt id="0xjbu"></rt></th></progress></input><sup id="0xjbu"></sup><div id="0xjbu"><th id="0xjbu"><pre id="0xjbu"></pre></th></div><option id="0xjbu"></option><b id="0xjbu"><legend id="0xjbu"><pre id="0xjbu"><u id="0xjbu"></u></pre></legend></b><font id="0xjbu"><pre id="0xjbu"><menu id="0xjbu"><samp id="0xjbu"></samp></menu></pre></font><strike id="0xjbu"></strike><tbody id="0xjbu"><ol id="0xjbu"></ol></tbody><input id="0xjbu"><progress id="0xjbu"><button id="0xjbu"><rt id="0xjbu"></rt></button></progress></input><pre id="0xjbu"><meter id="0xjbu"><option id="0xjbu"></option></meter></pre><object id="0xjbu"></object><strong id="0xjbu"></strong><nav id="0xjbu"></nav><em id="0xjbu"><style id="0xjbu"></style></em><em id="0xjbu"><style id="0xjbu"><mark id="0xjbu"></mark></style></em><bdo id="0xjbu"></bdo><font id="0xjbu"></font><small id="0xjbu"></small><dd id="0xjbu"><ruby id="0xjbu"></ruby></dd><ol id="0xjbu"></ol><strong id="0xjbu"></strong><th id="0xjbu"><rt id="0xjbu"><del id="0xjbu"><cite id="0xjbu"></cite></del></rt></th><fieldset id="0xjbu"></fieldset><output id="0xjbu"></output><address id="0xjbu"></address><cite id="0xjbu"><form id="0xjbu"><optgroup id="0xjbu"><fieldset id="0xjbu"></fieldset></optgroup></form></cite><strike id="0xjbu"><option id="0xjbu"></option></strike><fieldset id="0xjbu"></fieldset><big id="0xjbu"></big><tfoot id="0xjbu"></tfoot><dfn id="0xjbu"><strike id="0xjbu"></strike></dfn><strike id="0xjbu"></strike><u id="0xjbu"></u><em id="0xjbu"><style id="0xjbu"></style></em><optgroup id="0xjbu"><div id="0xjbu"><acronym id="0xjbu"></acronym></div></optgroup><dl id="0xjbu"><font id="0xjbu"><label id="0xjbu"><progress id="0xjbu"></progress></label></font></dl><optgroup id="0xjbu"></optgroup><video id="0xjbu"><ol id="0xjbu"><b id="0xjbu"></b></ol></video><tr id="0xjbu"></tr><menu id="0xjbu"><xmp id="0xjbu"><track id="0xjbu"></track></xmp></menu><tfoot id="0xjbu"><em id="0xjbu"><legend id="0xjbu"><mark id="0xjbu"></mark></legend></em></tfoot><optgroup id="0xjbu"></optgroup><cite id="0xjbu"><center id="0xjbu"></center></cite><i id="0xjbu"><tr id="0xjbu"><dfn id="0xjbu"></dfn></tr></i><em id="0xjbu"><style id="0xjbu"><tbody id="0xjbu"></tbody></style></em><rp id="0xjbu"><dl id="0xjbu"><blockquote id="0xjbu"></blockquote></dl></rp><dfn id="0xjbu"></dfn><thead id="0xjbu"><acronym id="0xjbu"></acronym></thead><legend id="0xjbu"><mark id="0xjbu"><table id="0xjbu"></table></mark></legend><dfn id="0xjbu"></dfn><menuitem id="0xjbu"><listing id="0xjbu"><wbr id="0xjbu"><kbd id="0xjbu"></kbd></wbr></listing></menuitem><label id="0xjbu"><em id="0xjbu"><style id="0xjbu"><tbody id="0xjbu"></tbody></style></em></label><thead id="0xjbu"><abbr id="0xjbu"><big id="0xjbu"></big></abbr></thead><strike id="0xjbu"><option id="0xjbu"></option></strike><form id="0xjbu"><dl id="0xjbu"></dl></form><s id="0xjbu"></s><sup id="0xjbu"></sup><sub id="0xjbu"></sub><optgroup id="0xjbu"><fieldset id="0xjbu"><thead id="0xjbu"><strong id="0xjbu"></strong></thead></fieldset></optgroup><tr id="0xjbu"></tr><th id="0xjbu"></th><menuitem id="0xjbu"><em id="0xjbu"><wbr id="0xjbu"><mark id="0xjbu"></mark></wbr></em></menuitem><ruby id="0xjbu"><optgroup id="0xjbu"></optgroup></ruby><small id="0xjbu"><p id="0xjbu"></p></small><source id="0xjbu"><ins id="0xjbu"></ins></source><label id="0xjbu"><xmp id="0xjbu"></xmp></label><video id="0xjbu"><menu id="0xjbu"></menu></video><meter id="0xjbu"><dfn id="0xjbu"><form id="0xjbu"></form></dfn></meter><big id="0xjbu"></big><b id="0xjbu"></b><cite id="0xjbu"><form id="0xjbu"><optgroup id="0xjbu"><fieldset id="0xjbu"></fieldset></optgroup></form></cite><big id="0xjbu"></big><address id="0xjbu"><kbd id="0xjbu"></kbd></address><s id="0xjbu"><delect id="0xjbu"></delect></s><label id="0xjbu"><xmp id="0xjbu"><rp id="0xjbu"><dl id="0xjbu"></dl></rp></xmp></label><p id="0xjbu"></p><dfn id="0xjbu"><sub id="0xjbu"><optgroup id="0xjbu"><th id="0xjbu"></th></optgroup></sub></dfn><optgroup id="0xjbu"></optgroup><rp id="0xjbu"><dl id="0xjbu"><blockquote id="0xjbu"><th id="0xjbu"></th></blockquote></dl></rp><delect id="0xjbu"></delect><form id="0xjbu"></form><kbd id="0xjbu"></kbd><ul id="0xjbu"></ul><div id="0xjbu"><th id="0xjbu"><acronym id="0xjbu"></acronym></th></div><i id="0xjbu"></i><blockquote id="0xjbu"><tbody id="0xjbu"><acronym id="0xjbu"><b id="0xjbu"></b></acronym></tbody></blockquote><abbr id="0xjbu"></abbr><li id="0xjbu"><ol id="0xjbu"><em id="0xjbu"><small id="0xjbu"></small></em></ol></li><sup id="0xjbu"><form id="0xjbu"><legend id="0xjbu"></legend></form></sup><strike id="0xjbu"></strike></div><header class="header container"><span id="f8bvghr" 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="tfap8ac" 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(tái) </span><div id="rgmoiss" class="searchbox"><div id="q2pbtl3" class="searchLt"><div id="y3hnfmw" 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(huì)</a></div><div id="ya33als" class="clearfix searchWrap"><div id="cmldfmj" 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="p2ewovc" 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(huì)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="hbya3i4" class="twoCol"><div id="8mb8vx7" 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_guanjianbi/">管件</a>?<a href="http://www.cdcfah.com/cp/third-guanjianbi_fengtou/">封頭</a>?上海特種車輛封頭廠制造無錫國鑫封頭供應(yīng)</p><div id="vcp9tvx" class="leftbox clearfix"><h1>上海特種車輛封頭廠制造無錫國鑫封頭供應(yīng)</h1><div id="gax9lia" class="proBig"><div id="vqadfht" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178039869954/8225024.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="v77a2mq" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178039869954/8225024.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="fumwtac" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>上海特種車輛封頭廠制造,封頭</p><p><span>***更新：</span>2020-11-14 08:35:37</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="gqs98cw" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無錫國鑫封頭制造有限公司</a></p><p><span>聯(lián)系人：</span>魏峰潔</p><p><span>郵箱: </span>239703@qq.com</p><p><span>電話: </span>13861726550</p><p><span>傳真: </span>0510_83898088</p><p><span>網(wǎng)址: </span>http://www.wxgxft.com</p><p><span>手機(jī): </span>0510-83897088</p><p><span>地址: </span>玉祁街道曙光村</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="onf4uwj" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="wlih7jl" class="box"><p><p style="text-indent:25px">封頭在700℃以上進(jìn)行鍛造時(shí)，由于變形能可得到動(dòng)態(tài)釋放，成形阻力急劇減小，在700-850℃鍛造時(shí)，鍛件氧化皮較少，表面脫碳現(xiàn)象較輕微，鍛件尺寸變化較小，在950℃以上鍛造時(shí)，雖然成形力更小，上海特種車輛封頭廠制造，但鍛件氧化皮和表面脫碳現(xiàn)象嚴(yán)重，鍛件尺寸變化較大，上海特種車輛封頭廠制造。因而在700-850℃的范圍內(nèi)鍛造可得到質(zhì)量和精度都比較好的鍛件。封頭的熱鍛是在金屬再結(jié)晶溫度以上進(jìn)行的鍛造工藝，上海特種車輛封頭廠制造，在進(jìn)行操作時(shí)熱鍛能夠減少其金屬的變形抗力，因而減少坯料在變形過程中所需的鍛壓力，使鍛壓設(shè)備的噸位大為減少；封頭可以調(diào)節(jié)的參數(shù)還有零位彈簧的彈性系數(shù)和反饋杠桿的有效長度。上海特種車輛封頭廠制造</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海特種車輛封頭廠制造,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178039869954/8225024.png"></div><p style="text-indent:25px">封頭應(yīng)對環(huán)向應(yīng)力在時(shí)，封頭過渡區(qū)將開始出現(xiàn)壓應(yīng)力，若長短軸比值繼續(xù)增大，封頭過渡區(qū)邊緣的壓應(yīng)力值將迅速增大，即封頭越淺，封頭邊緣的壓應(yīng)力值越高，所以將封頭長短軸比值限制在2.6以內(nèi)較為合理。封頭厚度除應(yīng)滿足強(qiáng)度要求外，對大直徑薄壁的橢圓封頭，還要提放由于封頭過渡區(qū)的壓應(yīng)力，產(chǎn)生內(nèi)壓下的彈性失穩(wěn)，為此封頭頭厚度還應(yīng)滿足剛度要求。封頭是指用以封閉容器端部使其內(nèi)外介質(zhì)隔離的元件，又稱端蓋。圓筒形容器的封頭一般都是迥轉(zhuǎn)殼體。江蘇提取設(shè)備封頭廠家聯(lián)系方式封頭的功能是非常強(qiáng)大的，適用于多種場合。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海特種車輛封頭廠制造,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178019059523/6670851.png"></div><p style="text-indent:25px">封頭其定位焊接的定位點(diǎn)其客戶會(huì)根據(jù)直徑和板厚自選，在操作后其定位點(diǎn)定位焊完成后，進(jìn)行有效的焊接。坯料在冷鍛時(shí)要產(chǎn)生變形和加工硬化，使鍛模承受高的荷載，因此，需要使用**度的鍛模和采用防止磨損和粘結(jié)的硬質(zhì)潤滑膜處理方法。在這個(gè)過程中，為防止坯料裂紋，需要時(shí)進(jìn)行中間退火以保證需要的變形能力。為保持良好的潤滑狀態(tài)，不銹鋼封頭可對坯料進(jìn)行磷化處理。在用棒料和盤條進(jìn)行連續(xù)加工的時(shí)候，由于目前的工藝限制，對斷面還不能作潤滑處理，現(xiàn)在人們也正在研究使用磷化潤滑的方法。</p><p style="text-indent:25px">封頭加熱溫度一般不宜超過420度，當(dāng)式件溫度降至300度以下時(shí)，不適宜繼續(xù)熱成形。鈦封頭應(yīng)該盡量采用熱成形，如成型溫度約為300度－400度。高溫?zé)岢尚螘r(shí)工件加熱溫度可以提高到大約650度，但不應(yīng)該超過800度。冷成形后的熱校形溫度為100－350度。不銹鋼封頭的厚度愈大，隨著產(chǎn)品形狀變量的增多，強(qiáng)度和抗拉強(qiáng)度增卓著進(jìn)步，硬度值增加，耐塑性下降，產(chǎn)生了卓著的加工硬化現(xiàn)象。不銹鋼封頭對金屬坯料施加外力，使其產(chǎn)生塑性變形、改變尺寸、外形及改善機(jī)能。封頭要保證表面光潔度，減少填料摩擦。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海特種車輛封頭廠制造,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178521136554/4515182.png"></div><p style="text-indent:25px">對于封頭現(xiàn)在人們也正在研究使用磷化潤滑的方法，不止是否有可能。封頭的溫鍛的優(yōu)勢在于可以提高鍛件的精度和質(zhì)量，同時(shí)又沒有冷鍛那樣大的成形力。溫鍛工藝的應(yīng)用與鍛件材料、鍛件大小、鍛件復(fù)雜程度有密切的關(guān)系。一般而言，對于形狀不太復(fù)雜的低碳、低合金鋼小型精密模鍛件，采用冷鍛工藝可以成形；對于形狀復(fù)雜的中小型中碳鋼精密模鍛件，冷鍛方法難以解決其成形問題，或單純采用冷鍛工藝成本偏高，則可采用溫鍛成形。封頭鋼的再結(jié)晶溫度大約在750℃左右。封頭可克服控制信號(hào)的傳遞滯后，改善閥門的動(dòng)作反應(yīng)速度。江蘇提取設(shè)備封頭廠家聯(lián)系方式</p><p style="text-indent:25px">封頭液壓設(shè)備設(shè)備完成后，按照闡明書給設(shè)備增加必定的油。上海特種車輛封頭廠制造</p><p style="text-indent:25px">就目前來說，在加工封頭產(chǎn)品的時(shí)候，大多數(shù)是采用不銹鋼材質(zhì)，或者是碳鋼材質(zhì)來制作。針對不同的材質(zhì)，所選擇的切割工具是不一樣的，不銹鋼切割的時(shí)候用的是等離子切割，而碳鋼則是用乙炔氣割，如果是比較薄的碳鋼也是可以用等離子切割的，而切割圓片的圓規(guī)，則是根據(jù)要切割的半徑調(diào)節(jié)圓規(guī)上的活動(dòng)扣來確定切割半徑。較后要注意，在下料的時(shí)候，一定要嚴(yán)格按照標(biāo)準(zhǔn)進(jìn)行。首先，我們需要根據(jù)封頭產(chǎn)品具體的生產(chǎn)要求，確認(rèn)材料規(guī)格與實(shí)物一致。上海特種車輛封頭廠制造</p><p style="text-indent:25px">無錫國鑫封頭制造有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家生產(chǎn)型公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下封頭，不銹鋼封頭，碳鋼封頭，鋁封頭深受客戶的喜愛。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造機(jī)械及行業(yè)設(shè)備良好品牌。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1987341.html</p></div></div></div></div></div><div id="3hzjqn8" class="page-right twoColRt"><div id="ktqkw2q" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wlxuwqs" 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="oi27b2x" 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(gè)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(gè)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="q8d38jr" 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(dòng)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(dòng)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="nmtq3gn" 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(huì)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(huì)務(wù)租車網(wǎng) 車永捷供應(yīng)</p></a></div><div id="8s7vpgd" class="clear"></div></div><div id="mldahik" 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="pj7o23b" 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="qk7uj8k" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/1719723.html"><div id="sm7boqi" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177816365410/2698061.png" alt="徐州Q235B封頭廠商無錫國鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>徐州Q235B封頭廠商無錫國鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1719724.html"><div id="8c4g2su" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179742369306/9282842.png" alt="南通污水處理設(shè)備封頭無錫國鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南通污水處理設(shè)備封頭無錫國鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1719725.html"><div id="uj7f8bd" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177952995583/8456246.png" alt="連云港臥式儲(chǔ)罐封頭生產(chǎn)廠家無錫國鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>連云港臥式儲(chǔ)罐封頭生產(chǎn)廠家無錫國鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1719726.html"><div id="8ztfmja" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179465046692/7774486.png" alt="徐州平底封頭生產(chǎn)廠家電話無錫國鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>徐州平底封頭生產(chǎn)廠家電話無錫國鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1721993.html"><div id="xmlip72" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179721099912/4809230.png" alt="安徽分散設(shè)備封頭企業(yè) 無錫國鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>安徽分散設(shè)備封頭企業(yè) 無錫國鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1724174.html"><div id="nczwtls" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179614381692/2265333.png" alt="蘇州印染機(jī)械封頭廠制造無錫國鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>蘇州印染機(jī)械封頭廠制造無錫國鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1724175.html"><div id="wly3k4w" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178090075643/961728.png" alt="南京鋼包封頭無錫國鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南京鋼包封頭無錫國鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1726469.html"><div id="rbyv8dv" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179041563010/3671152.png" alt="南通雙氧水設(shè)備封頭加工廠無錫國鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南通雙氧水設(shè)備封頭加工廠無錫國鑫封頭供應(yīng)</p></a></li></ul></div></div><div id="o7jyf7b" 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="otqnfmo" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/1789953.html"><div id="8tia8xz" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177975553890/7890057.png" alt="蘇州球冠形封頭加工無錫國鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>蘇州球冠形封頭加工無錫國鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1724174.html"><div id="wdognuw" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179614381692/2265333.png" alt="蘇州印染機(jī)械封頭廠制造無錫國鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>蘇州印染機(jī)械封頭廠制造無錫國鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/3198607.html"><div id="chewdf3" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177986022692/3812274.png" alt="蘇州鋼包封頭廠家無錫國鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>蘇州鋼包封頭廠家無錫國鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1719726.html"><div id="8d2z9ah" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179465046692/7774486.png" alt="徐州平底封頭生產(chǎn)廠家電話無錫國鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>徐州平底封頭生產(chǎn)廠家電話無錫國鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1719723.html"><div id="xmogdkm" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177816365410/2698061.png" alt="徐州Q235B封頭廠商無錫國鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>徐州Q235B封頭廠商無錫國鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1726469.html"><div id="jtahjls" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179041563010/3671152.png" alt="南通雙氧水設(shè)備封頭加工廠無錫國鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南通雙氧水設(shè)備封頭加工廠無錫國鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1738753.html"><div id="rbtlcel" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179465046692/7774486.png" alt="南京水處理設(shè)備封頭生產(chǎn)廠家直銷無錫國鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南京水處理設(shè)備封頭生產(chǎn)廠家直銷無錫國鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1724175.html"><div id="auwyfho" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178090075643/961728.png" alt="南京鋼包封頭無錫國鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南京鋼包封頭無錫國鑫封頭供應(yīng)</p></a></li></ul></div></div></section></section><footer class="footer"><div id="tyfc2km" 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(huì)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(tái)【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(hào)-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="63gvm" class="pl_css_ganrao" style="display: none;"><dfn id="63gvm"><acronym id="63gvm"><strong id="63gvm"><big id="63gvm"></big></strong></acronym></dfn><tt id="63gvm"></tt><meter id="63gvm"></meter><code id="63gvm"><pre id="63gvm"><table id="63gvm"></table></pre></code><cite id="63gvm"><form id="63gvm"></form></cite><listing id="63gvm"></listing><bdo id="63gvm"><pre id="63gvm"><del id="63gvm"></del></pre></bdo><abbr id="63gvm"></abbr><strong id="63gvm"></strong><meter id="63gvm"><dfn id="63gvm"><source id="63gvm"></source></dfn></meter><meter id="63gvm"><dfn id="63gvm"></dfn></meter><tfoot id="63gvm"></tfoot><del id="63gvm"><dfn id="63gvm"><form id="63gvm"></form></dfn></del><li id="63gvm"></li><dfn id="63gvm"></dfn><li id="63gvm"></li><pre id="63gvm"><dfn id="63gvm"><strike id="63gvm"></strike></dfn></pre><big id="63gvm"><pre id="63gvm"><s id="63gvm"><progress id="63gvm"></progress></s></pre></big><menuitem id="63gvm"></menuitem><big id="63gvm"><pre id="63gvm"></pre></big><tfoot id="63gvm"></tfoot><sup id="63gvm"></sup><del id="63gvm"><dfn id="63gvm"></dfn></del><em id="63gvm"></em><legend id="63gvm"></legend><ins id="63gvm"><optgroup id="63gvm"><center id="63gvm"></center></optgroup></ins><em id="63gvm"><style id="63gvm"></style></em><pre id="63gvm"></pre><dfn id="63gvm"></dfn><progress id="63gvm"></progress><s id="63gvm"><progress id="63gvm"></progress></s><var id="63gvm"><address id="63gvm"></address></var><output id="63gvm"></output><optgroup id="63gvm"><div id="63gvm"></div></optgroup><strike id="63gvm"><rp id="63gvm"><nav id="63gvm"></nav></rp></strike><center id="63gvm"><pre id="63gvm"></pre></center><samp id="63gvm"><legend id="63gvm"></legend></samp><ol id="63gvm"></ol><pre id="63gvm"><meter id="63gvm"><option id="63gvm"></option></meter></pre><samp id="63gvm"></samp><th id="63gvm"></th><dfn id="63gvm"><code id="63gvm"><pre id="63gvm"><u id="63gvm"></u></pre></code></dfn><legend id="63gvm"></legend><video id="63gvm"><ol id="63gvm"><b id="63gvm"></b></ol></video><menuitem id="63gvm"></menuitem><optgroup id="63gvm"></optgroup><optgroup id="63gvm"></optgroup><output id="63gvm"><table id="63gvm"><dd id="63gvm"><ruby id="63gvm"></ruby></dd></table></output><nobr id="63gvm"></nobr><ins id="63gvm"><label id="63gvm"></label></ins><blockquote id="63gvm"><th id="63gvm"><acronym id="63gvm"></acronym></th></blockquote><rp id="63gvm"><input id="63gvm"><blockquote id="63gvm"><th id="63gvm"></th></blockquote></input></rp><table id="63gvm"><td id="63gvm"><sup id="63gvm"></sup></td></table><sub id="63gvm"><label id="63gvm"></label></sub><p id="63gvm"></p><tt id="63gvm"><tbody id="63gvm"><tr id="63gvm"><b id="63gvm"></b></tr></tbody></tt><strike id="63gvm"><center id="63gvm"><nav id="63gvm"></nav></center></strike><tbody id="63gvm"><noframes id="63gvm"><i id="63gvm"><tr id="63gvm"></tr></i></noframes></tbody><wbr id="63gvm"><kbd id="63gvm"></kbd></wbr><delect id="63gvm"></delect><dl id="63gvm"><small id="63gvm"><bdo id="63gvm"><pre id="63gvm"></pre></bdo></small></dl><ruby id="63gvm"></ruby><var id="63gvm"></var><th id="63gvm"><span id="63gvm"><dfn id="63gvm"></dfn></span></th><em id="63gvm"><style id="63gvm"><mark id="63gvm"><noframes id="63gvm"></noframes></mark></style></em><b id="63gvm"></b><meter id="63gvm"><dfn id="63gvm"></dfn></meter><code id="63gvm"><pre id="63gvm"></pre></code><menu id="63gvm"><legend id="63gvm"><track id="63gvm"></track></legend></menu><var id="63gvm"></var><small id="63gvm"></small><small id="63gvm"><strong id="63gvm"><sup id="63gvm"><optgroup id="63gvm"></optgroup></sup></strong></small><output id="63gvm"></output><fieldset id="63gvm"></fieldset><pre id="63gvm"><optgroup id="63gvm"><center id="63gvm"><center id="63gvm"></center></center></optgroup></pre><abbr id="63gvm"></abbr><ul id="63gvm"><listing id="63gvm"></listing></ul><dfn id="63gvm"><code id="63gvm"><output id="63gvm"></output></code></dfn><tr id="63gvm"><b id="63gvm"><legend id="63gvm"><output id="63gvm"></output></legend></b></tr><strong id="63gvm"></strong><var id="63gvm"></var><tr id="63gvm"><b id="63gvm"><wbr id="63gvm"></wbr></b></tr><rp id="63gvm"><dl id="63gvm"></dl></rp><th id="63gvm"><rt id="63gvm"><del id="63gvm"><dfn id="63gvm"></dfn></del></rt></th><blockquote id="63gvm"><bdo id="63gvm"><tr id="63gvm"></tr></bdo></blockquote><code id="63gvm"><dfn id="63gvm"></dfn></code><strong id="63gvm"></strong><tt id="63gvm"></tt><em id="63gvm"><small id="63gvm"><tbody id="63gvm"><small id="63gvm"></small></tbody></small></em><menuitem id="63gvm"><em id="63gvm"></em></menuitem><span id="63gvm"><form id="63gvm"><legend id="63gvm"></legend></form></span><th id="63gvm"><rt id="63gvm"><meter id="63gvm"><dfn id="63gvm"></dfn></meter></rt></th><strong id="63gvm"></strong><nobr id="63gvm"><pre id="63gvm"></pre></nobr><form id="63gvm"><legend id="63gvm"></legend></form><th id="63gvm"></th><dl id="63gvm"><small id="63gvm"></small></dl><center id="63gvm"></center></div></html>