鋼包封頭加工無(wú)錫國(guó)鑫封頭供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="容器封頭的根本工藝要求如下：1、容器封頭所用的資料，不*要滿(mǎn)意產(chǎn)品設(shè)計(jì)的技能要求，還應(yīng)當(dāng)滿(mǎn)意封頭工藝的要求和封頭后的加工要求(如切削加工、電鍍、焊接等)。2、容器封頭在設(shè)計(jì)零件的結(jié)構(gòu)形狀時(shí)，較好采用結(jié)構(gòu)簡(jiǎn)單合理的外表(如平面、圓柱面、螺旋面"><meta name="keywords" content="鋼包封頭加工,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="yvtkj" class="pl_css_ganrao" style="display: none;"><legend id="yvtkj"></legend><td id="yvtkj"><dl id="yvtkj"><dfn id="yvtkj"></dfn></dl></td><s id="yvtkj"><strong id="yvtkj"><track id="yvtkj"><kbd id="yvtkj"></kbd></track></strong></s><th id="yvtkj"><style id="yvtkj"><meter id="yvtkj"><dfn id="yvtkj"></dfn></meter></style></th><nav id="yvtkj"></nav><video id="yvtkj"></video><style id="yvtkj"></style><i id="yvtkj"><ins id="yvtkj"><abbr id="yvtkj"></abbr></ins></i><address id="yvtkj"></address><form id="yvtkj"><ul id="yvtkj"><fieldset id="yvtkj"><address id="yvtkj"></address></fieldset></ul></form><pre id="yvtkj"></pre><cite id="yvtkj"><center id="yvtkj"><optgroup id="yvtkj"></optgroup></center></cite><rp id="yvtkj"></rp><thead id="yvtkj"><sup id="yvtkj"><menu id="yvtkj"><xmp id="yvtkj"></xmp></menu></sup></thead><b id="yvtkj"></b><meter id="yvtkj"><noframes id="yvtkj"><source id="yvtkj"><tr id="yvtkj"></tr></source></noframes></meter><menu id="yvtkj"><legend id="yvtkj"><pre id="yvtkj"></pre></legend></menu><div id="yvtkj"></div><var id="yvtkj"></var><tbody id="yvtkj"></tbody><s id="yvtkj"><strong id="yvtkj"></strong></s><span id="yvtkj"><dfn id="yvtkj"><cite id="yvtkj"><form id="yvtkj"></form></cite></dfn></span><center id="yvtkj"></center><output id="yvtkj"><strong id="yvtkj"><font id="yvtkj"></font></strong></output><span id="yvtkj"><kbd id="yvtkj"><cite id="yvtkj"><center id="yvtkj"></center></cite></kbd></span><menu id="yvtkj"><legend id="yvtkj"><track id="yvtkj"></track></legend></menu><label id="yvtkj"><tfoot id="yvtkj"><em id="yvtkj"><style id="yvtkj"></style></em></tfoot></label><address id="yvtkj"></address><tt id="yvtkj"></tt><tr id="yvtkj"></tr><p id="yvtkj"><pre id="yvtkj"></pre></p><blockquote id="yvtkj"><tbody id="yvtkj"><acronym id="yvtkj"><b id="yvtkj"></b></acronym></tbody></blockquote><rp id="yvtkj"><dl id="yvtkj"><tt id="yvtkj"></tt></dl></rp><strong id="yvtkj"><dd id="yvtkj"><ruby id="yvtkj"><menu id="yvtkj"></menu></ruby></dd></strong><td id="yvtkj"><sup id="yvtkj"><label id="yvtkj"><xmp id="yvtkj"></xmp></label></sup></td><dl id="yvtkj"><tt id="yvtkj"><bdo id="yvtkj"><acronym id="yvtkj"></acronym></bdo></tt></dl><dfn id="yvtkj"><strike id="yvtkj"></strike></dfn><pre id="yvtkj"></pre><s id="yvtkj"><delect id="yvtkj"></delect></s><thead id="yvtkj"><sup id="yvtkj"><form id="yvtkj"></form></sup></thead><pre id="yvtkj"><label id="yvtkj"></label></pre><xmp id="yvtkj"></xmp><rt id="yvtkj"><tbody id="yvtkj"><dfn id="yvtkj"><td id="yvtkj"></td></dfn></tbody></rt><tbody id="yvtkj"><menuitem id="yvtkj"></menuitem></tbody><legend id="yvtkj"></legend><sup id="yvtkj"><form id="yvtkj"><xmp id="yvtkj"></xmp></form></sup><strong id="yvtkj"><dd id="yvtkj"><sup id="yvtkj"><form id="yvtkj"></form></sup></dd></strong><acronym id="yvtkj"><object id="yvtkj"></object></acronym><big id="yvtkj"><small id="yvtkj"></small></big><tt id="yvtkj"><source id="yvtkj"></source></tt></div><header class="header container"><span id="q8qiz28" 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="gavcuys" 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="vzk7qgn" class="searchbox"><div id="lev7bi3" class="searchLt"><div id="un2ncon" 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="3aeqse3" class="clearfix searchWrap"><div id="ymtlcji" class="searchInput"><input type="text" name="keywords" placeholder="請(qǐng)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="8g7fhjq" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁(yè)</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="3g43kbn" class="twoCol"><div id="srjl7qg" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<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>?鋼包封頭加工無(wú)錫國(guó)鑫封頭供應(yīng)</p><div id="3x93sul" class="leftbox clearfix"><h1>鋼包封頭加工無(wú)錫國(guó)鑫封頭供應(yīng)</h1><div id="x3szof2" class="proBig"><div id="uylzw3d" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178557161724/5875293.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="cf37vco" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178557161724/5875293.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="odvnubd" 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>鋼包封頭加工,封頭</p><p><span>***更新：</span>2021-01-28 05:17:54</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="v77plnp" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無(wú)錫國(guó)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(huà): </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(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="2w9rd8f" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="fz232o3" class="box"><p><p style="text-indent:25px">容器封頭的根本工藝要求如下：1、容器封頭所用的資料，不*要滿(mǎn)意產(chǎn)品設(shè)計(jì)的技能要求，還應(yīng)當(dāng)滿(mǎn)意封頭工藝的要求和封頭后的加工要求(如切削加工、電鍍、焊接等)。2、容器封頭在設(shè)計(jì)零件的結(jié)構(gòu)形狀時(shí)，較好采用結(jié)構(gòu)簡(jiǎn)單合理的外表(如平面、圓柱面、螺旋面)及其組合，一起還應(yīng)當(dāng)盡量使加工外表數(shù)目較少和加工面積較小。3、挑選合理機(jī)械制作中毛坯制備的辦法，可直接利用型材、鑄造、鍛造、封頭和焊接等。毛坯的挑選與具體的出產(chǎn)技能條件有關(guān)，一般取決于出產(chǎn)批量、資料功能和加工可能性等。4、五金封頭成形功能的要求，關(guān)于成形工序，為了有利于封頭變形和制件質(zhì)量的進(jìn)步，資料應(yīng)具有良好的塑性、屈強(qiáng)比小、板厚方向性系數(shù)大，鋼包封頭加工、板平面方向性系數(shù)小、資料的屈服強(qiáng)度與彈性模量的比值小。關(guān)于別離工序，并不需要資料有比較好的塑性，但應(yīng)具有一定的塑性，塑性越好的資料，越不易別離。5、規(guī)則恰當(dāng)?shù)闹谱骶燃巴獗泶植诙攘慵募庸べM(fèi)用。容器封頭的加工費(fèi)用會(huì)跟著精度的進(jìn)步而增加，尤其在精度較高的情況下，這種增加極為明顯。因此，在沒(méi)有充分依據(jù)時(shí)，不應(yīng)當(dāng)尋求高的精度。同理，鋼包封頭加工，五金封頭零件的外表粗糙度也應(yīng)當(dāng)依據(jù)合作外表的實(shí)際需要，作出恰當(dāng)?shù)囊?guī)則。封頭的尺寸大小不同，鋼包封頭加工，使封頭所用的原料多少也會(huì)有所不同，所以封頭的價(jià)格會(huì)隨著尺寸的增大而增加。鋼包封頭加工</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鋼包封頭加工,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178557161724/5875293.png"></div><p style="text-indent:25px">在現(xiàn)代城市的建設(shè)過(guò)程中高壓鍋、大型熱加設(shè)備、石油儲(chǔ)蓄罐等帶有管道的器材在實(shí)際應(yīng)用過(guò)程中，就會(huì)涉及到截?cái)嗝娣饪趩?wèn)題，這樣封頭就誕生了。它就是在封口器材的基礎(chǔ)上經(jīng)過(guò)無(wú)數(shù)人的努力，經(jīng)過(guò)封頭廠專(zhuān)業(yè)的改造而出現(xiàn)的?，F(xiàn)在出現(xiàn)的產(chǎn)品的原材料的選擇上有了比較大的改變，不同于以往選用鋼鐵材料，而是選用新型的耐高壓高熱，抗壓能力強(qiáng)的原料。它具有以往的材料都不具有的優(yōu)點(diǎn)，能適用在各個(gè)地方，并且使用年限長(zhǎng)，質(zhì)量過(guò)硬，不存在維修問(wèn)題。封頭功能越來(lái)越多樣化，使得它的發(fā)展也是越來(lái)越壯大，在各大機(jī)械行業(yè)中頻繁使用到的封口材料。它的功能得到了比較大的提升，在抗壓能力上它的性能優(yōu)良比較大程度的改變，密封性也比原來(lái)更加優(yōu)良。鋼包封頭加工封頭產(chǎn)品的原材料，是確保產(chǎn)品質(zhì)量的一相底子。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鋼包封頭加工,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178585374457/2979121.png"></div><p style="text-indent:25px">在高壓容器中，球形封頭與其他方式的封頭對(duì)比承受力是較好的，在同樣直徑和工作壓力下所需厚度少，節(jié)約原材料，因此在工作壓力較高的器皿中經(jīng)常應(yīng)用。與此同時(shí)，在所有形式的封頭與簡(jiǎn)體連接中，球形厚度與筒體厚度相差較大，它們之間的連接結(jié)構(gòu)不*影響設(shè)備的制造而且也是容器能否正常運(yùn)行的重要因素之一，在GB150-1998中也將筒體與球形的對(duì)接環(huán)形焊縫定義為A類(lèi)焊接接頭。在工程中，當(dāng)壁厚較小時(shí)，可采用封頭名義厚度與簡(jiǎn)體名義厚度相同的方法，半球殼與圓筒的連接為切線(xiàn)連接，沒(méi)有橫推力，當(dāng)采用與筒體等厚的半球封頭時(shí)，邊界效應(yīng)的影響甚小此時(shí)可*按薄膜應(yīng)力進(jìn)行設(shè)計(jì)，而不必考慮邊緣應(yīng)力的影響。</p><p style="text-indent:25px">拼接封頭時(shí)，需要拼接距離，它應(yīng)大于3δ且不小于100mm。然而，制冷設(shè)備難以滿(mǎn)足該要求并且具有其特殊性，避免在碟形封頭的r處拼接，否則會(huì)導(dǎo)致變薄和高應(yīng)力。拼接時(shí)焊縫方向要求只允許是徑向和環(huán)向，以后大型封頭可能會(huì)取消此要求。拼接封頭的焊接接頭系數(shù)熔接后形成的封頭，拼接焊縫應(yīng)通過(guò)100％射線(xiàn)照相或超聲波檢查，并且合格等級(jí)遵循設(shè)備外殼。焊縫的檢驗(yàn)水平和比例與設(shè)備外殼相同，造成高浪費(fèi)。因此，盡管封頭拼接是經(jīng)過(guò)100％測(cè)試的，但合格級(jí)別卻有所不同，并且隨設(shè)備外殼而變化。被調(diào)介質(zhì)為粘性流體或含有固體懸浮物時(shí)，用封頭可以克服介質(zhì)對(duì)閥桿移動(dòng)的阻力。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鋼包封頭加工,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179688209406/4267871.png"></div><p style="text-indent:25px">不銹鋼封頭的熱處理：一方面鋼在熱處理過(guò)程中由于組織的變化即奧氏體向馬氏體轉(zhuǎn)變時(shí)，因比容的增大會(huì)伴隨工件體積的膨脹，工件各部位先后相變，造成體積長(zhǎng)大不一致而產(chǎn)生組織應(yīng)力。不銹鋼封頭組織應(yīng)力變化的較終結(jié)果是表層受拉應(yīng)力，心部受壓應(yīng)力，恰好與熱應(yīng)力相反。組織應(yīng)力的大小與工件在馬氏體相變區(qū)的冷卻速度，形狀，材料的化學(xué)成分等因素有關(guān)。只不過(guò)熱應(yīng)力在組織轉(zhuǎn)變以前就已經(jīng)產(chǎn)生了不銹鋼封頭，而組織應(yīng)力則是在組織轉(zhuǎn)變過(guò)程中產(chǎn)生的，在整個(gè)冷卻過(guò)程中，熱應(yīng)力與組織應(yīng)力綜合作用的結(jié)果，就是工件中實(shí)際存在的應(yīng)力。這兩種應(yīng)力綜合作用的結(jié)果是十分復(fù)雜的，受著許多因素的影響，如成分、形狀、熱處理工藝等。就其發(fā)展過(guò)程來(lái)說(shuō)只有兩種類(lèi)型，即熱應(yīng)力和組織應(yīng)力，作用方向相反時(shí)二者抵消，作用方向相同時(shí)二者相互迭加。不管是相互抵消還是相互迭加，兩個(gè)應(yīng)力應(yīng)有一個(gè)占主導(dǎo)因素，熱應(yīng)力占主導(dǎo)地位時(shí)的作用結(jié)果是工件心部受拉，表面受壓。組織應(yīng)力占主導(dǎo)地位時(shí)的作用結(jié)果是工件心部受壓表面受拉。封頭的使用方式很簡(jiǎn)單，不需要進(jìn)行過(guò)多的培訓(xùn)。連云港球冠形封頭生產(chǎn)廠家直銷(xiāo)</p><p style="text-indent:25px">封頭可以克服閥桿的摩擦力，去除不平衡的影響。鋼包封頭加工</p><p style="text-indent:25px">在依據(jù)制作職業(yè)和自然環(huán)境的不一樣，不一樣的容器封頭，所合適的制作職業(yè)，滿(mǎn)是具有一些不一樣。終究不一樣的制作職業(yè)，針對(duì)容器封頭的規(guī)則，及其應(yīng)用的自然環(huán)境，滿(mǎn)是具有挺大的不一樣。但是在其間具有一個(gè)類(lèi)型，許多制作職業(yè)的推薦，往往容器封頭，會(huì)被大量的制作職業(yè)所選擇，那因?yàn)槿萜鞣忸^，各層面的特性，例如一般的容器封頭，只能在強(qiáng)度層面，可以超過(guò)必定的規(guī)范。但是在容器的延展性，及其容器的承受能力層面，就會(huì)受到十分大影響了。這針對(duì)壓力容器運(yùn)送制作職業(yè)而言，毫無(wú)疑問(wèn)沒(méi)法選擇，那樣的一些容器。鋼包封頭加工</p><p style="text-indent:25px">無(wú)錫國(guó)鑫封頭制造有限公司是一家主營(yíng)封頭、橢圓封頭、碟形封頭、球冠封頭、半球封頭、錐形封頭、爐臺(tái)殼體、平底封頭、攪拌車(chē)封頭、**車(chē)封頭、SF/SS 雙層油罐封頭、方圓封頭、鴨蛋封頭及雙相鋼、鋁鎂合金、鈦合金等特種材料封頭。主要運(yùn)用于壓力容器設(shè)備、制藥設(shè)備、環(huán)保設(shè)備、罐體運(yùn)輸車(chē)輛等行業(yè)的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠(chéng)實(shí)可信的企業(yè)。國(guó)鑫封頭深耕行業(yè)多年，始終以客戶(hù)的需求為向?qū)?，為客?hù)提供***的封頭，不銹鋼封頭，碳鋼封頭，鋁封頭。國(guó)鑫封頭致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶(hù)產(chǎn)品上的貼心，為用戶(hù)帶來(lái)良好體驗(yàn)。國(guó)鑫封頭始終關(guān)注機(jī)械及行業(yè)設(shè)備市場(chǎng)，以敏銳的市場(chǎng)洞察力，實(shí)現(xiàn)與客戶(hù)的成長(zhǎng)共贏。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3044720.html</p></div></div></div></div></div><div id="hcegnpw" class="page-right twoColRt"><div id="8dcipgs" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ap7heq8" 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="f2u8vc3" 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(chéng)推薦寧波助學(xué)商務(wù)信息咨詢(xún)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(chéng)推薦寧波助學(xué)商務(wù)信息咨詢(xún)供應(yīng)</p></a></div><div id="vugipr7" 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(lái)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(lái)電溫州奧基智能科技供應(yīng)</p></a></div><div id="8rgdpb8" 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(chē)網(wǎng) 車(chē)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(chē)網(wǎng) 車(chē)永捷供應(yīng)</p></a></div><div id="fzri32c" class="clear"></div></div><div id="ey3u3zy" 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="qas7mjo" 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="yik7ur8" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/1719723.html"><div id="srt28r3" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177816365410/2698061.png" alt="徐州Q235B封頭廠商無(wú)錫國(guó)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1719724.html"><div id="7dxtahb" 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(wú)錫國(guó)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1719725.html"><div id="ey3ti7t" 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(wú)錫國(guó)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1719726.html"><div id="wgdfhyk" 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(huà) 無(wú)錫國(guó)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(huà) 無(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1721993.html"><div id="tdvxevx" 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(wú)錫國(guó)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1724174.html"><div id="eoldahe" 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(wú)錫國(guó)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1724175.html"><div id="llizahy" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178090075643/961728.png" alt="南京鋼包封頭無(wú)錫國(guó)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1726469.html"><div id="sry7x7y" 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(wú)錫國(guó)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li></ul></div></div><div id="cgxelxe" class="page-proshow02"><p class="title">同類(lèi)產(chǎn)品推薦 <span><a href="http://www.cdcfah.com/cp/first-_wjgj/">更多>></a></span></p><div id="ffmy8z4" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/1789953.html"><div id="veqnzqi" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177975553890/7890057.png" alt="蘇州球冠形封頭加工無(wú)錫國(guó)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1724174.html"><div id="croqm3s" 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(wú)錫國(guó)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/3198607.html"><div id="nxzrikh" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177986022692/3812274.png" alt="蘇州鋼包封頭廠家無(wú)錫國(guó)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1719726.html"><div id="sheqneq" 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(huà) 無(wú)錫國(guó)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(huà) 無(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1719723.html"><div id="ue7uwia" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177816365410/2698061.png" alt="徐州Q235B封頭廠商無(wú)錫國(guó)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1726469.html"><div id="t3ti7dx" 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(wú)錫國(guó)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1738753.html"><div id="dxzgxe2" 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(xiāo) 無(wú)錫國(guó)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(xiāo) 無(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1724175.html"><div id="xbn3mlc" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178090075643/961728.png" alt="南京鋼包封頭無(wú)錫國(guó)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li></ul></div></div></section></section><footer class="footer"><div id="r82ln2z" class="container"><p><a href="http://www.cdcfah.com/">首頁(yè)</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(mǎi)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="18la8" class="pl_css_ganrao" style="display: none;"><wbr id="18la8"><mark id="18la8"></mark></wbr><noframes id="18la8"><td id="18la8"></td></noframes><thead id="18la8"><ruby id="18la8"><menu id="18la8"></menu></ruby></thead><pre id="18la8"></pre><option id="18la8"><i id="18la8"></i></option><input id="18la8"></input><pre id="18la8"><del id="18la8"><cite id="18la8"><center id="18la8"></center></cite></del></pre><fieldset id="18la8"><address id="18la8"><menu id="18la8"></menu></address></fieldset><tt id="18la8"></tt><dfn id="18la8"></dfn><pre id="18la8"></pre><track id="18la8"></track><i id="18la8"><tr id="18la8"><dfn id="18la8"><code id="18la8"></code></dfn></tr></i><sup id="18la8"><dd id="18la8"><tbody id="18la8"></tbody></dd></sup><noframes id="18la8"></noframes><style id="18la8"></style><blockquote id="18la8"><bdo id="18la8"></bdo></blockquote><pre id="18la8"></pre><mark id="18la8"><strong id="18la8"><td id="18la8"><li id="18la8"></li></td></strong></mark><td id="18la8"></td><var id="18la8"><address id="18la8"></address></var><em id="18la8"><style id="18la8"></style></em><optgroup id="18la8"><div id="18la8"><video id="18la8"></video></div></optgroup><dfn id="18la8"><code id="18la8"><output id="18la8"></output></code></dfn><meter id="18la8"><dfn id="18la8"><source id="18la8"></source></dfn></meter><object id="18la8"><big id="18la8"><option id="18la8"><s id="18la8"></s></option></big></object><font id="18la8"><pre id="18la8"><tfoot id="18la8"><b id="18la8"></b></tfoot></pre></font><object id="18la8"></object><style id="18la8"></style><delect id="18la8"></delect><cite id="18la8"><sub id="18la8"><optgroup id="18la8"></optgroup></sub></cite><em id="18la8"><track id="18la8"><dl id="18la8"><delect id="18la8"></delect></dl></track></em><thead id="18la8"><strong id="18la8"><strike id="18la8"></strike></strong></thead><u id="18la8"></u><form id="18la8"></form><dl id="18la8"><small id="18la8"><p id="18la8"></p></small></dl><u id="18la8"></u><menuitem id="18la8"><listing id="18la8"><address id="18la8"></address></listing></menuitem><th id="18la8"><em id="18la8"><style id="18la8"><tbody id="18la8"></tbody></style></em></th><button id="18la8"></button><table id="18la8"></table><address id="18la8"></address><dfn id="18la8"></dfn><form id="18la8"></form><tbody id="18la8"></tbody><output id="18la8"><table id="18la8"><dd id="18la8"><li id="18la8"></li></dd></table></output><form id="18la8"><legend id="18la8"><track id="18la8"></track></legend></form><li id="18la8"></li><source id="18la8"><ins id="18la8"><fieldset id="18la8"></fieldset></ins></source></div></html>