徐州瓜瓣封頭廠家無錫國鑫封頭供應-b2b網(wǎng)站_b2b電子商務平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="當前出產(chǎn)的標準封頭大有些都歸于中小型封頭，因而被運用在中小體積容器上的機會對比多，以裝置方法來說，通常的原則是中型或大型封頭運用冷裝置，也就是直接經(jīng)過固化進行裝置。但這種方法并不適用在小型封頭上，由于需求重復拆裝，所以只能改變通常的裝置方法"><meta name="keywords" content="徐州瓜瓣封頭廠家,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="vhosq" class="pl_css_ganrao" style="display: none;"><th id="vhosq"><i id="vhosq"><optgroup id="vhosq"></optgroup></i></th><pre id="vhosq"><table id="vhosq"><pre id="vhosq"><mark id="vhosq"></mark></pre></table></pre><pre id="vhosq"></pre><tt id="vhosq"><tbody id="vhosq"><tr id="vhosq"><b id="vhosq"></b></tr></tbody></tt><ins id="vhosq"><var id="vhosq"><code id="vhosq"><abbr id="vhosq"></abbr></code></var></ins><mark id="vhosq"></mark><del id="vhosq"></del><ins id="vhosq"><optgroup id="vhosq"><center id="vhosq"><rp id="vhosq"></rp></center></optgroup></ins><pre id="vhosq"></pre><em id="vhosq"><style id="vhosq"><tbody id="vhosq"><small id="vhosq"></small></tbody></style></em><dl id="vhosq"><dd id="vhosq"><li id="vhosq"><tfoot id="vhosq"></tfoot></li></dd></dl><dd id="vhosq"></dd><thead id="vhosq"></thead><menuitem id="vhosq"><em id="vhosq"><wbr id="vhosq"></wbr></em></menuitem><address id="vhosq"><tfoot id="vhosq"></tfoot></address><dd id="vhosq"><ruby id="vhosq"><tfoot id="vhosq"></tfoot></ruby></dd><dl id="vhosq"><delect id="vhosq"><bdo id="vhosq"><span id="vhosq"></span></bdo></delect></dl><strike id="vhosq"></strike><samp id="vhosq"><small id="vhosq"></small></samp><var id="vhosq"><address id="vhosq"></address></var><td id="vhosq"></td><rp id="vhosq"><dl id="vhosq"></dl></rp><i id="vhosq"><tr id="vhosq"></tr></i><center id="vhosq"></center><pre id="vhosq"></pre><video id="vhosq"></video><pre id="vhosq"></pre><tr id="vhosq"><label id="vhosq"><thead id="vhosq"></thead></label></tr><optgroup id="vhosq"><div id="vhosq"><video id="vhosq"></video></div></optgroup><tt id="vhosq"><i id="vhosq"><menuitem id="vhosq"></menuitem></i></tt><p id="vhosq"></p><strong id="vhosq"></strong><label id="vhosq"><progress id="vhosq"><em id="vhosq"></em></progress></label><small id="vhosq"></small><form id="vhosq"><legend id="vhosq"><pre id="vhosq"></pre></legend></form><abbr id="vhosq"></abbr><optgroup id="vhosq"></optgroup><sup id="vhosq"><dd id="vhosq"><video id="vhosq"><ol id="vhosq"></ol></video></dd></sup><blockquote id="vhosq"><th id="vhosq"><object id="vhosq"><dfn id="vhosq"></dfn></object></th></blockquote><track id="vhosq"></track><nobr id="vhosq"><s id="vhosq"></s></nobr><sup id="vhosq"></sup><ruby id="vhosq"></ruby><option id="vhosq"><source id="vhosq"></source></option><dl id="vhosq"></dl><em id="vhosq"><style id="vhosq"></style></em><pre id="vhosq"></pre><var id="vhosq"></var><mark id="vhosq"></mark><tfoot id="vhosq"></tfoot><sup id="vhosq"></sup><tr id="vhosq"></tr><tt id="vhosq"></tt><bdo id="vhosq"><acronym id="vhosq"></acronym></bdo><code id="vhosq"><pre id="vhosq"></pre></code><strike id="vhosq"><font id="vhosq"></font></strike><strong id="vhosq"></strong><address id="vhosq"></address><pre id="vhosq"><nav id="vhosq"></nav></pre><i id="vhosq"></i><legend id="vhosq"><dfn id="vhosq"><table id="vhosq"><p id="vhosq"></p></table></dfn></legend><dl id="vhosq"></dl><meter id="vhosq"><dfn id="vhosq"><source id="vhosq"></source></dfn></meter><address id="vhosq"></address><strong id="vhosq"></strong><u id="vhosq"></u><progress id="vhosq"></progress><del id="vhosq"><dfn id="vhosq"><form id="vhosq"></form></dfn></del><legend id="vhosq"><dfn id="vhosq"></dfn></legend><del id="vhosq"></del><var id="vhosq"><wbr id="vhosq"><output id="vhosq"></output></wbr></var><output id="vhosq"><table id="vhosq"><dd id="vhosq"><ruby id="vhosq"></ruby></dd></table></output><th id="vhosq"><span id="vhosq"><meter id="vhosq"></meter></span></th><i id="vhosq"><tr id="vhosq"><var id="vhosq"></var></tr></i><tbody id="vhosq"><small id="vhosq"></small></tbody><cite id="vhosq"></cite><input id="vhosq"></input><em id="vhosq"><small id="vhosq"><tbody id="vhosq"><small id="vhosq"></small></tbody></small></em><strike id="vhosq"><center id="vhosq"><optgroup id="vhosq"><div id="vhosq"></div></optgroup></center></strike><pre id="vhosq"><u id="vhosq"><dd id="vhosq"></dd></u></pre><thead id="vhosq"></thead><acronym id="vhosq"><strong id="vhosq"><big id="vhosq"></big></strong></acronym><strong id="vhosq"></strong><var id="vhosq"><wbr id="vhosq"><output id="vhosq"><strong id="vhosq"></strong></output></wbr></var><legend id="vhosq"><dfn id="vhosq"></dfn></legend><del id="vhosq"><dfn id="vhosq"></dfn></del><rp id="vhosq"><dl id="vhosq"></dl></rp><wbr id="vhosq"><mark id="vhosq"><strong id="vhosq"></strong></mark></wbr><object id="vhosq"><meter id="vhosq"><option id="vhosq"><source id="vhosq"></source></option></meter></object><font id="vhosq"></font><tbody id="vhosq"><tr id="vhosq"><abbr id="vhosq"></abbr></tr></tbody><legend id="vhosq"></legend><sup id="vhosq"></sup><pre id="vhosq"><input id="vhosq"><progress id="vhosq"></progress></input></pre><legend id="vhosq"></legend><center id="vhosq"><rp id="vhosq"><sup id="vhosq"></sup></rp></center><delect id="vhosq"><strong id="vhosq"><span id="vhosq"></span></strong></delect><pre id="vhosq"></pre></div><header class="header container"><span id="agtmazv" 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="itzep8d" class="tigs"> 發(fā)信息做推廣就找產(chǎn)品網(wǎng)<br />企業(yè)電商信息綜合服務平臺 </span><div id="2ioe32w" class="searchbox"><div id="xa94bg8" class="searchLt"><div id="l2zfxo4" 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="wgdyja8" class="clearfix searchWrap"><div id="dvozqg0" class="searchInput"><input type="text" name="keywords" placeholder="請輸入搜索關鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="sbzabxv" 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</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="72th3ms" class="twoCol"><div id="anypl7k" 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</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>?徐州瓜瓣封頭廠家無錫國鑫封頭供應</p><div id="vdtjf4w" class="leftbox clearfix"><h1>徐州瓜瓣封頭廠家無錫國鑫封頭供應</h1><div id="xvrhtbt" class="proBig"><div id="rearcvi" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177927468306/612836.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="nvbxijc" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177927468306/612836.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="cfbstuf" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>徐州瓜瓣封頭廠家,封頭</p><p><span>***更新：</span>2020-12-12 09:29:19</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="3gaqrrs" 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: </span>0510-83897088</p><p><span>地址: </span>玉祁街道曙光村</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="ucd7abh" class="page-proshow02"><p class="title">詳細說明</p><div id="8vge8x8" class="box"><p><p style="text-indent:25px">當前出產(chǎn)的標準封頭大有些都歸于中小型封頭，因而被運用在中小體積容器上的機會對比多，以裝置方法來說，通常的原則是中型或大型封頭運用冷裝置，也就是直接經(jīng)過固化進行裝置。但這種方法并不適用在小型封頭上，由于需求重復拆裝，所以只能改變通常的裝置方法。經(jīng)過實習發(fā)現(xiàn)，螺紋裝置方法才是裝置小型封頭的挑選，但咱們也需求注意的是，這種裝置方法并不能起到比較好的密封效果，常識拆開的時分對比便利。要說較理想的裝置，那仍是螺紋合作密封膠的方法，不只密封效果好，關于運用的安全性有肯定的保證，一起還能便于操作。組成標準封頭的各個結(jié)構(gòu)件并沒有什么疑問，但是在進行焊接拼裝以后，卻呈現(xiàn)了變形的疑問。這其間的原因以及疑問的解決方法咱們都要掌握，這是為了能得到符合要求的封頭，并用其表現(xiàn)應有的效果。尤其是橢圓封頭，在進行電阻焊以后，就呈現(xiàn)超越答應變形量的變形，這必然會對封頭的運用發(fā)生影響。分析后發(fā)現(xiàn)，徐州瓜瓣封頭廠家，徐州瓜瓣封頭廠家，徐州瓜瓣封頭廠家，形成這類疑問呈現(xiàn)的原因是封頭結(jié)構(gòu)件上不均勻的部分加熱和冷卻，通常離焊縫越近，溫度就會越高，呈現(xiàn)的脹大也會越大。現(xiàn)在封頭是比較多行業(yè)都會應用到的一種配件。徐州瓜瓣封頭廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州瓜瓣封頭廠家,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177927468306/612836.png"></div><p style="text-indent:25px">封頭其定位焊接的定位點其客戶會根據(jù)直徑和板厚自選，在操作后其定位點定位焊完成后，進行有效的焊接。坯料在冷鍛時要產(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。在這個過程中，為防止坯料裂紋，需要時進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行磷化處理。在用棒料和盤條進行連續(xù)加工的時候，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。浙江制藥設備封頭廠商封頭的使用方式很簡單，不需要進行過多的培訓。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州瓜瓣封頭廠家,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178142525591/9957459.png"></div><p style="text-indent:25px">不銹鋼封頭冷卻速度愈快,含碳量和合金成分愈高,冷卻過程中在熱應力作用下產(chǎn)生的不均勻塑性變形愈大,末尾形成的殘余應力就愈大。不銹鋼封頭在加熱和冷卻過程中,表層和心部的冷卻速度和時間的不一致,形成溫差，導致體積膨脹和收縮不均而產(chǎn)生應力,即熱應力。不銹鋼封頭在熱應力的作用下,由于表層開始溫度低于心部,收縮也大于心部而使心部受拉,當冷卻結(jié)束時，由于心部末尾冷卻體積收縮不能自由進行而使表層受壓心部受拉。即在熱應力的作用下較終使工件表層受壓而心部受拉。這種現(xiàn)象受到冷卻速度,材料成分和熱處理工藝等因素的影響。鋼在熱處理過程中由于組織的變化即奧氏體向馬氏體轉(zhuǎn)變時,因比容的增大會伴隨工件體積的膨脹,工件各部位先后相變，造成體積長大不一致而產(chǎn)生組織應力。</p><p style="text-indent:25px">在封頭種類里面，有這樣一類封頭，它的任意尺寸都可以定做，無論是否有模具，都能生產(chǎn)出來，這種封頭，就是我們常說的無直邊封頭，也叫球冠形封頭，還有一種叫法是太陽盤封頭。無直邊封頭：其形狀就是一個圓弧底，沒有直邊，像一個鍋底一樣。這種封頭結(jié)構(gòu)非常簡單，因為任意尺寸都可以定做，局限性小，所以在比較多非標設備中也常常受到客戶青睞。但是在定做這種封頭時，高度以及弧度非常重要，因為沒有標準的模具，所以在成型之后，會有較大的誤差。正所謂，有利就有弊，雖然任何尺寸都可以做，但是當無直邊封頭焊接時，因為沒有直邊，所以操作起來沒有其它形狀的封頭方便，因此，在對焊之時一定要非常注意操作，較好是選擇讓技術熟練的焊接工人進行處理。封頭組成以閥桿位移為測量信號，以控制器輸出為設定信號的反饋控制系統(tǒng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州瓜瓣封頭廠家,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178575335444/1167447.png"></div><p style="text-indent:25px">不銹鋼封頭應該盡量選用熱成形，如成型溫度約為300度-400度。高溫熱成形時工件加熱溫度可以提高到大約650度，但不應該超越800度。冷成形后的熱校形溫度為100-350度。不銹鋼封頭的熱成形溫度在600度之上時，任務外表應該選用耐高溫涂料或許其他的防護辦法以避免外表氧化污染；熱成形溫度為500-600度時，由封頭制作單位根據(jù)狀況斷定能否需求外表高溫的防護。必要時應留有鏟除封頭外表氧化層的裕量。不銹鋼封頭在加熱爐內(nèi)的氣氛呈中性或許弱氧化性，加熱的火焰不宜和加工件直接觸摸。鋁封頭成型時，加熱溫度普通不宜超越420度，當式件溫度降至300度以下時，不適宜持續(xù)熱成形。旋壓法加工封頭的優(yōu)點：不需要大型模具，節(jié)省了大型模具費用。無錫碳鋼封頭廠制造</p><p style="text-indent:25px">使用**卡環(huán)，擋住它的邊緣，當上模提升時，它會發(fā)生脫落。徐州瓜瓣封頭廠家</p><p style="text-indent:25px">封頭屬壓力容器中鍋爐部件的一種，通常用于密封壓力容器的兩端使用，或在管道末端做封堵之用的一種焊接管件產(chǎn)品。封頭的品質(zhì)，直接關系到壓力容器的長期安全可靠運行。常見的封頭加工方法有旋壓法和模壓法，其中采用旋壓法加工封頭具有以下優(yōu)點：1、不需要大型模具，節(jié)省了大型模具費用；2、不同品種、規(guī)格的封頭只需按幾種檔次更換內(nèi)輥即可生產(chǎn)，故適用于多品種、小批量的封頭生產(chǎn)；3、設備、工裝投資較模壓法少；4、封頭成品質(zhì)量高、尺寸精確；5、可生產(chǎn)模壓法難以生產(chǎn)的薄壁大直徑封頭，加工不銹鋼封頭有比較大的經(jīng)濟價值。徐州瓜瓣封頭廠家</p><p style="text-indent:25px">無錫國鑫封頭制造有限公司主要經(jīng)營范圍是機械及行業(yè)設備，擁有一支專業(yè)技術團隊和良好的市場口碑。國鑫封頭致力于為客戶提供良好的封頭，不銹鋼封頭，碳鋼封頭，鋁封頭，一切以用戶需求為中心，深受廣大客戶的歡迎。公司從事機械及行業(yè)設備多年，有著創(chuàng)新的設計、強大的技術，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務。國鑫封頭秉承“客戶為尊、服務為榮、創(chuàng)意為先、技術為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2374498.html</p></div></div></div></div></div><div id="u2q8yt7" class="page-right twoColRt"><div id="ohntzav" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="z2s4vlr" 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" 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</p></a></div><div id="qdjfvm8" 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信息咨詢供應" 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信息咨詢供應</p></a></div><div id="ydbh8ge" 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" 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</p></a></div><div id="2hi3r8a" 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="烏魯木齊市會務租車網(wǎng) 車永捷供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>烏魯木齊市會務租車網(wǎng) 車永捷供應</p></a></div><div id="jhsotu3" class="clear"></div></div><div id="aizvbhi" 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="ayyz7io" 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="8f3al3f" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/1719723.html"><div id="7lezlms" 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" 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</p></a></li><li><a href="http://www.cdcfah.com/cp/1719724.html"><div id="ca3u88e" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179742369306/9282842.png" alt="南通污水處理設備封頭無錫國鑫封頭供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南通污水處理設備封頭無錫國鑫封頭供應</p></a></li><li><a href="http://www.cdcfah.com/cp/1719725.html"><div id="wyu3tmh" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177952995583/8456246.png" alt="連云港臥式儲罐封頭生產(chǎn)廠家無錫國鑫封頭供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>連云港臥式儲罐封頭生產(chǎn)廠家無錫國鑫封頭供應</p></a></li><li><a href="http://www.cdcfah.com/cp/1719726.html"><div id="i7lzv28" 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" 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</p></a></li><li><a href="http://www.cdcfah.com/cp/1721993.html"><div id="nvvgqrs" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179721099912/4809230.png" alt="安徽分散設備封頭企業(yè) 無錫國鑫封頭供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>安徽分散設備封頭企業(yè) 無錫國鑫封頭供應</p></a></li><li><a href="http://www.cdcfah.com/cp/1724174.html"><div id="3qrndep" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179614381692/2265333.png" alt="蘇州印染機械封頭廠制造無錫國鑫封頭供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>蘇州印染機械封頭廠制造無錫國鑫封頭供應</p></a></li><li><a href="http://www.cdcfah.com/cp/1724175.html"><div id="8j3cyet" 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" 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</p></a></li><li><a href="http://www.cdcfah.com/cp/1726469.html"><div id="b3edzag" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179041563010/3671152.png" alt="南通雙氧水設備封頭加工廠無錫國鑫封頭供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南通雙氧水設備封頭加工廠無錫國鑫封頭供應</p></a></li></ul></div></div><div id="x8kbm79" 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="ogct825" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/1789953.html"><div id="3m8vvgx" 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" 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</p></a></li><li><a href="http://www.cdcfah.com/cp/1724174.html"><div id="ths22t3" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179614381692/2265333.png" alt="蘇州印染機械封頭廠制造無錫國鑫封頭供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>蘇州印染機械封頭廠制造無錫國鑫封頭供應</p></a></li><li><a href="http://www.cdcfah.com/cp/3198607.html"><div id="90tipyx" 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" 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</p></a></li><li><a href="http://www.cdcfah.com/cp/1719726.html"><div id="tyyqdah" 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" 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</p></a></li><li><a href="http://www.cdcfah.com/cp/1719723.html"><div id="uoog6ru" 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" 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</p></a></li><li><a href="http://www.cdcfah.com/cp/1726469.html"><div id="bdr784s" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179041563010/3671152.png" alt="南通雙氧水設備封頭加工廠無錫國鑫封頭供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南通雙氧水設備封頭加工廠無錫國鑫封頭供應</p></a></li><li><a href="http://www.cdcfah.com/cp/1738753.html"><div id="svyyrl3" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179465046692/7774486.png" alt="南京水處理設備封頭生產(chǎn)廠家直銷無錫國鑫封頭供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南京水處理設備封頭生產(chǎn)廠家直銷無錫國鑫封頭供應</p></a></li><li><a href="http://www.cdcfah.com/cp/1724175.html"><div id="plsyojm" 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" 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</p></a></li></ul></div></div></section></section><footer class="footer"><div id="l889i3s" 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</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電子商務平臺【買產(chǎn)品】-上海口乞食品有限公司??<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="ozgly" class="pl_css_ganrao" style="display: none;"><em id="ozgly"><style id="ozgly"><tbody id="ozgly"></tbody></style></em><pre id="ozgly"><label id="ozgly"></label></pre><b id="ozgly"></b><optgroup id="ozgly"></optgroup><meter id="ozgly"></meter><pre id="ozgly"><meter id="ozgly"></meter></pre><menu id="ozgly"></menu><tfoot id="ozgly"></tfoot><bdo id="ozgly"></bdo><tbody id="ozgly"></tbody><thead id="ozgly"></thead><strike id="ozgly"><rp id="ozgly"></rp></strike><object id="ozgly"><meter id="ozgly"></meter></object><tfoot id="ozgly"></tfoot><var id="ozgly"></var><table id="ozgly"></table><cite id="ozgly"><center id="ozgly"></center></cite><meter id="ozgly"></meter><pre id="ozgly"><ul id="ozgly"><strong id="ozgly"></strong></ul></pre><meter id="ozgly"><noframes id="ozgly"><i id="ozgly"><ins id="ozgly"></ins></i></noframes></meter><legend id="ozgly"></legend><kbd id="ozgly"></kbd><tfoot id="ozgly"></tfoot><p id="ozgly"></p><dfn id="ozgly"><code id="ozgly"><pre id="ozgly"><u id="ozgly"></u></pre></code></dfn><ruby id="ozgly"></ruby><strong id="ozgly"></strong><ruby id="ozgly"><optgroup id="ozgly"></optgroup></ruby><tr id="ozgly"></tr><acronym id="ozgly"><samp id="ozgly"><code id="ozgly"></code></samp></acronym><fieldset id="ozgly"></fieldset><var id="ozgly"><address id="ozgly"><abbr id="ozgly"></abbr></address></var><th id="ozgly"><rt id="ozgly"><del id="ozgly"><dfn id="ozgly"></dfn></del></rt></th><video id="ozgly"></video><strike id="ozgly"><dd id="ozgly"><video id="ozgly"></video></dd></strike><pre id="ozgly"></pre><acronym id="ozgly"><b id="ozgly"><code id="ozgly"></code></b></acronym><ul id="ozgly"></ul><center id="ozgly"></center><var id="ozgly"></var><pre id="ozgly"><strike id="ozgly"><option id="ozgly"><i id="ozgly"></i></option></strike></pre><abbr id="ozgly"><strike id="ozgly"><output id="ozgly"></output></strike></abbr><dl id="ozgly"></dl><pre id="ozgly"><u id="ozgly"><thead id="ozgly"></thead></u></pre><label id="ozgly"><xmp id="ozgly"></xmp></label><dfn id="ozgly"><strike id="ozgly"></strike></dfn><thead id="ozgly"><strong id="ozgly"></strong></thead><blockquote id="ozgly"><th id="ozgly"></th></blockquote><em id="ozgly"><small id="ozgly"></small></em></div></html>