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="b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?><meta name="keywords" content="b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?><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="l2sxl" class="pl_css_ganrao" style="display: none;"><label id="l2sxl"><th id="l2sxl"></th></label><menu id="l2sxl"><em id="l2sxl"><ruby id="l2sxl"></ruby></em></menu><optgroup id="l2sxl"></optgroup><small id="l2sxl"></small><form id="l2sxl"><xmp id="l2sxl"><sub id="l2sxl"></sub></xmp></form><input id="l2sxl"><delect id="l2sxl"><th id="l2sxl"></th></delect></input><i id="l2sxl"><menuitem id="l2sxl"><b id="l2sxl"></b></menuitem></i><dfn id="l2sxl"></dfn><em id="l2sxl"><small id="l2sxl"><tbody id="l2sxl"></tbody></small></em><acronym id="l2sxl"></acronym><dl id="l2sxl"><small id="l2sxl"><form id="l2sxl"><em id="l2sxl"></em></form></small></dl><ins id="l2sxl"><label id="l2sxl"><center id="l2sxl"></center></label></ins><style id="l2sxl"></style><span id="l2sxl"><form id="l2sxl"></form></span><dfn id="l2sxl"></dfn><em id="l2sxl"><style id="l2sxl"></style></em><bdo id="l2sxl"><tr id="l2sxl"><abbr id="l2sxl"><strike id="l2sxl"></strike></abbr></tr></bdo><center id="l2sxl"></center><ins id="l2sxl"><label id="l2sxl"><center id="l2sxl"></center></label></ins><wbr id="l2sxl"><mark id="l2sxl"></mark></wbr><small id="l2sxl"></small><i id="l2sxl"><ins id="l2sxl"><var id="l2sxl"></var></ins></i><menuitem id="l2sxl"></menuitem><i id="l2sxl"><tr id="l2sxl"><dfn id="l2sxl"></dfn></tr></i><dfn id="l2sxl"><table id="l2sxl"></table></dfn><track id="l2sxl"><dfn id="l2sxl"><delect id="l2sxl"></delect></dfn></track><span id="l2sxl"><form id="l2sxl"></form></span><tfoot id="l2sxl"></tfoot><optgroup id="l2sxl"></optgroup><optgroup id="l2sxl"><div id="l2sxl"></div></optgroup><th id="l2sxl"><tr id="l2sxl"><meter id="l2sxl"></meter></tr></th><nobr id="l2sxl"><pre id="l2sxl"><u id="l2sxl"><strong id="l2sxl"></strong></u></pre></nobr><dfn id="l2sxl"><strike id="l2sxl"></strike></dfn><div id="l2sxl"><th id="l2sxl"></th></div><pre id="l2sxl"><pre id="l2sxl"><progress id="l2sxl"></progress></pre></pre><var id="l2sxl"></var><track id="l2sxl"></track><video id="l2sxl"></video><tr id="l2sxl"><abbr id="l2sxl"></abbr></tr><dfn id="l2sxl"></dfn><delect id="l2sxl"></delect><u id="l2sxl"></u><video id="l2sxl"><ol id="l2sxl"><samp id="l2sxl"><small id="l2sxl"></small></samp></ol></video><strong id="l2sxl"></strong><sup id="l2sxl"></sup><dfn id="l2sxl"><center id="l2sxl"></center></dfn><track id="l2sxl"></track><pre id="l2sxl"><meter id="l2sxl"><option id="l2sxl"><source id="l2sxl"></source></option></meter></pre><strike id="l2sxl"></strike><track id="l2sxl"></track><dfn id="l2sxl"></dfn><em id="l2sxl"></em><legend id="l2sxl"></legend><label id="l2sxl"><progress id="l2sxl"><listing id="l2sxl"><rt id="l2sxl"></rt></listing></progress></label><sup id="l2sxl"><optgroup id="l2sxl"><legend id="l2sxl"></legend></optgroup></sup><th id="l2sxl"><th id="l2sxl"></th></th><i id="l2sxl"><ins id="l2sxl"><var id="l2sxl"><center id="l2sxl"></center></var></ins></i><th id="l2sxl"><rt id="l2sxl"><meter id="l2sxl"><dfn id="l2sxl"></dfn></meter></rt></th><dfn id="l2sxl"></dfn><tbody id="l2sxl"></tbody><strike id="l2sxl"><rp id="l2sxl"><sup id="l2sxl"></sup></rp></strike><xmp id="l2sxl"></xmp><object id="l2sxl"><big id="l2sxl"><nobr id="l2sxl"><s id="l2sxl"></s></nobr></big></object><div id="l2sxl"><video id="l2sxl"><object id="l2sxl"><samp id="l2sxl"></samp></object></video></div><span id="l2sxl"><optgroup id="l2sxl"></optgroup></span><thead id="l2sxl"><output id="l2sxl"><nav id="l2sxl"><dd id="l2sxl"></dd></nav></output></thead><th id="l2sxl"></th><th id="l2sxl"></th><th id="l2sxl"></th><menuitem id="l2sxl"></menuitem><acronym id="l2sxl"><strong id="l2sxl"><samp id="l2sxl"></samp></strong></acronym><source id="l2sxl"><tr id="l2sxl"></tr></source><tbody id="l2sxl"><tfoot id="l2sxl"></tfoot></tbody><rt id="l2sxl"></rt><ul id="l2sxl"><listing id="l2sxl"><address id="l2sxl"></address></listing></ul><tbody id="l2sxl"></tbody><sup id="l2sxl"></sup><big id="l2sxl"></big><sup id="l2sxl"><dd id="l2sxl"><video id="l2sxl"><ol id="l2sxl"></ol></video></dd></sup><pre id="l2sxl"></pre><em id="l2sxl"><rt id="l2sxl"></rt></em><form id="l2sxl"><ul id="l2sxl"><thead id="l2sxl"></thead></ul></form><track id="l2sxl"></track><style id="l2sxl"></style><thead id="l2sxl"><acronym id="l2sxl"></acronym></thead><bdo id="l2sxl"><span id="l2sxl"><dfn id="l2sxl"></dfn></span></bdo><s id="l2sxl"><progress id="l2sxl"></progress></s><track id="l2sxl"></track><form id="l2sxl"><dl id="l2sxl"><pre id="l2sxl"></pre></dl></form><i id="l2sxl"><ins id="l2sxl"><var id="l2sxl"><center id="l2sxl"></center></var></ins></i><listing id="l2sxl"></listing><dl id="l2sxl"><delect id="l2sxl"><bdo id="l2sxl"><span id="l2sxl"></span></bdo></delect></dl><button id="l2sxl"></button><delect id="l2sxl"></delect><nobr id="l2sxl"><s id="l2sxl"><ul id="l2sxl"><listing id="l2sxl"></listing></ul></s></nobr><thead id="l2sxl"><strong id="l2sxl"><strike id="l2sxl"></strike></strong></thead><span id="l2sxl"><kbd id="l2sxl"><legend id="l2sxl"><center id="l2sxl"></center></legend></kbd></span><option id="l2sxl"></option><menuitem id="l2sxl"></menuitem><legend id="l2sxl"><dfn id="l2sxl"><table id="l2sxl"><p id="l2sxl"></p></table></dfn></legend></div><header class="header container"><span id="rfshn8f" 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="ztv7jrc" 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="ysds7su" class="searchbox"><div id="j3yqxeq" class="searchLt"><div id="8bwdahe" 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="rgy7ifx" class="clearfix searchWrap"><div id="onf8xul" 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="ixewdkh" 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="7gnp22m" class="twoCol"><div id="hrolx7x" 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_jgjljjlg/">緊固件、連接件</a>?<a href="http://www.cdcfah.com/cp/third-jgjljjlg_luoshuanyx/">螺栓</a>?美制螺絲生產(chǎn)廠推薦咨詢晉迅緊固件供應(yīng)</p><div id="8cz88mi" class="leftbox clearfix"><h1>美制螺絲生產(chǎn)廠推薦咨詢晉迅緊固件供應(yīng)</h1><div id="3u3lbkb" class="proBig"><div id="ftvsuby" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388103862469118/1415680.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8ixebnk" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388103862469118/1415680.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="eyqxegn" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>美制螺絲生產(chǎn)廠,螺栓</p><p><span>***更新：</span>2020-12-26 07:21:50</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="qfcpwyk" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">晉迅緊固件（上海）有限公司</a></p><p><span>聯(lián)系人：</span>陳帥</p><p><span>郵箱: </span>sales@gemx.cn</p><p><span>電話: </span>15858568787</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://jinxunjingujian.shop.88360.com</p><p><span>手機(jī): </span>021-52236587</p><p><span>地址: </span>蘇虹路333號(hào)215-6室</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="j3tldfr" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="tdfxea8" class="box"><p><p style="text-indent:25px">螺栓洛氏硬度(HR) 當(dāng)HB>450或者試樣過(guò)小時(shí)，不能采用布氏硬度試驗(yàn)而改用洛氏硬度計(jì)量。它是用一個(gè)頂角120°的金剛石圓錐體或直徑為1，美制螺絲生產(chǎn)廠.59、3.18mm的鋼球，在一定載荷下壓入被測(cè)材料表面，美制螺絲生產(chǎn)廠，由壓痕的深度求出材料的硬度，美制螺絲生產(chǎn)廠。根據(jù)試驗(yàn)材料硬度的不同，分三種不同的標(biāo)度來(lái)表示: HRA:是采用60kg載荷和鉆石錐壓入器求得的硬度，用于硬度極高的材料(如硬質(zhì)合金等)。 HRB:是采用100kg載荷和直徑1.58mm淬硬的鋼球，求得的硬度，用于硬度較低的材料(如退火鋼、鑄鐵等)。 HRC:是采用150kg載荷和鉆石錐壓入器求得的硬度，用于硬度很高的材料(如淬火鋼等)。地腳螺栓的牙側(cè)：連接牙頂和牙底的螺紋側(cè)表面；美制螺絲生產(chǎn)廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="美制螺絲生產(chǎn)廠,螺栓" src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388103862469118/1415680.png"></div><p style="text-indent:25px">螺栓：機(jī)械零件，配用螺母的圓柱形帶螺紋的緊固件。由頭部和螺桿（帶有外螺紋的圓柱體）兩部分組成的一類緊固件，需與螺母配合，用于緊固連接兩個(gè)帶有通孔的零件。這種連接形式稱螺栓連接。如把螺母從螺栓上旋下，又可以使這兩個(gè)零件分開(kāi)，故螺栓連接是屬于可拆卸連接。按連接的受力方式分：分普通的和有鉸制孔用的。按頭部形狀分：有六角頭的，圓頭的，方形頭的，沉頭的等等。其中六角頭是較常用的。一般沉頭用在要求連接的地方。騎馬螺栓英文名稱為U-bolt，是非標(biāo)準(zhǔn)件，形狀為U形所以也稱為U型螺栓，兩頭有螺紋可與螺帽結(jié)合，主要用于固定管狀物如水管或片狀物如汽車的板簧，由于其固定物件的方式像人騎在馬上一樣，故稱為騎馬螺栓。按螺紋長(zhǎng)度分為全螺紋和非全螺紋兩類。美制螺絲生產(chǎn)廠平頭螺栓將要連接的材質(zhì)“攻-鉆-擠-壓”出匹配的螺紋，實(shí)現(xiàn)相互間的緊密配合。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="美制螺絲生產(chǎn)廠,螺栓" src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388104096492618/7369776.png"></div><p style="text-indent:25px">法蘭螺栓(DIN6921/GB5787)由六角頭和法蘭盤(pán)（六角下面的墊片和六角固定一體的）和螺桿（帶有外螺紋的圓柱體）兩部分組成的一體的螺栓。法蘭螺栓分類：1、六角頭部類型：一種是平腦的，另一種是凹腦的。2、表面顏色類別：根據(jù)不同需要，表面有鍍白、軍綠、彩黃、耐腐蝕的達(dá)克羅。3、法蘭盤(pán)類別：根據(jù)法蘭螺栓的使用位置不同，盤(pán)的大小要求各不相同，另有平底和帶齒之分，帶齒的起防滑作用。4、按連接的受力方式,有普通的和有鉸制孔用的.鉸制孔用的法蘭螺栓要和孔的尺寸配合,用在受橫向力時(shí)。另外為了滿足安裝后鎖緊的需要,有桿部有孔的,這些孔可以使螺栓受振動(dòng)時(shí)不至松脫.有的法蘭螺栓沒(méi)螺紋的光桿部位要做,叫細(xì)桿法蘭螺栓.這種法蘭螺栓有利于受變力的聯(lián)結(jié)。</p><p style="text-indent:25px">螺柱:沒(méi)有頭部的,*有兩端均外帶螺紋的一類緊固件。連接時(shí),它的一端必須旋入帶有內(nèi)螺紋孔的零件中,另一端穿過(guò)帶有通孔的零件中,然后旋上螺母,即使這兩個(gè)零件緊固連接成一見(jiàn)整體。這種連接形式稱為螺柱連接,也是屬于可拆卸連接。主要用于被連接零件之一厚度較大、要求結(jié)構(gòu)緊湊,或因拆卸頻繁,不宜采用螺栓連接的場(chǎng)合。螺釘:也是由頭部和螺桿兩部分構(gòu)成的一類緊固件,按用途可以分為三類:機(jī)器螺釘、緊定螺釘和特殊用途螺釘。機(jī)器螺釘主要用于一個(gè)緊定螺紋孔的零件,與一個(gè)帶有通孔的零件之間的緊固連接,不需要螺母配合(這種連接形式稱為螺釘連接,也屬于可拆卸連接;也可以與螺母配合,用于兩個(gè)帶有通孔的零件之間的緊固連接。)緊定螺釘主要用于固定兩個(gè)零件之間的相對(duì)位置。特殊用途螺釘例如有吊環(huán)螺釘?shù)裙┑跹b零件用。螺栓有很多叫法，有人叫成螺釘，有人叫成螺栓釘，有人叫成緊固件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="美制螺絲生產(chǎn)廠,螺栓" src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388103915126101/3172399.png"></div><p style="text-indent:25px">螺栓維氏硬度(HV)以120kg以內(nèi)的載荷和頂角為136°的金剛石方形錐壓入器壓入材料表面，用材料壓痕凹坑的表面積除以載荷值，即為維氏硬度值(HV)。從上面介紹可知，維氏硬度是表面硬度的其中一種。它和其它硬度單位之間有換算關(guān)系。硬度指的就是表面硬度，材料內(nèi)部是沒(méi)有硬度要求的。只有機(jī)械性能要求(抗拉強(qiáng)度，屈服強(qiáng)度和沖擊韌性)。GB/T3098.1-2000中怎么沒(méi)有表面硬度呢?5.6不是說(shuō)明表面硬度了嗎----表面硬度不應(yīng)比芯部硬度高出30個(gè)維氏硬度(約3個(gè)HRC)。10.9級(jí)的表面硬度不應(yīng)大于390HV。至于沒(méi)有表面硬度要求的那是低性能等級(jí)的，如3.6/4.6/4.8/5.6/5.8/6.8因?yàn)闆](méi)有熱處理，所以沒(méi)有要求，因?yàn)樗砻娴挠捕戎饕抢溏吇蚝娲?車削后的應(yīng)力所產(chǎn)生的硬度。熱處理螺栓就要在未部切一個(gè)直徑的面上大硬度，硬度測(cè)試在面上的1/2R處，硬度符合標(biāo)準(zhǔn)。美制螺絲生產(chǎn)廠</p><p style="text-indent:25px">螺栓用于兩種物體的連接。美制螺絲生產(chǎn)廠</p><p style="text-indent:25px">六角頭螺栓分外六角螺栓（GB5782/GB5783/DIN931/ISO4014/ISO4017）和內(nèi)六角螺栓(DIN912/ISO4762/GB70)，是常用的緊固件，主要用作機(jī)械設(shè)備的緊固。無(wú)論是外六角還是內(nèi)六角，它們的規(guī)格尺寸表示方法都是類似的。外六角螺栓國(guó)家標(biāo)準(zhǔn)GB/T5782-86，這個(gè)標(biāo)準(zhǔn)規(guī)定了螺紋規(guī)格為M3~M64，A和B級(jí)的六角頭螺栓，A級(jí)用于D<=24和L<=10D或L。六角頭螺栓產(chǎn)品等級(jí)分為A、B、C三級(jí)，表示精度，其中A級(jí)較精確，C級(jí)精度較差。精度不同，作用的地方也不同，A級(jí)比B級(jí)高，要求高的地方用A級(jí)，大多數(shù)都選用B級(jí)。A級(jí)用于承載較大，要求精度高或受沖擊、振動(dòng)載荷的場(chǎng)合。美制螺絲生產(chǎn)廠</p><p style="text-indent:25px">晉迅緊固件（上海）有限公司致力于五金、工具，是一家貿(mào)易型的公司。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下緊固件，熱鍍鋅，螺絲，螺母深受客戶的喜愛(ài)。公司秉持誠(chéng)信為本的經(jīng)營(yíng)理念，在五金、工具深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢(shì)，打造五金、工具良好品牌。晉迅緊固件憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來(lái)的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2570697.html</p></div></div></div></div></div><div id="bacjg3a" class="page-right twoColRt"><div id="cw37jlp" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="cr8p3kh" 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="nx2oifm" 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)信息咨詢供應(yīng)</p></a></div><div id="uogikby" 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="jyac7ci" 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="vkc3el3" class="clear"></div></div><div id="m228qse" class="box01 box03"><h3><a href="http://www.cdcfah.com/xw/">最新產(chǎn)品資訊</a></h3><ul></ul></div></div></section><div id="kjby2yk" 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="8v82ryq" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/2112676.html"><div id="xme83k3" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388104574871594/7592128.png" alt="六角螺母代理信息推薦晉迅緊固件供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>六角螺母代理信息推薦晉迅緊固件供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/2112677.html"><div id="ds35k7u" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388105590740650/4878201.png" alt="進(jìn)口墊圈供應(yīng) 歡迎來(lái)電晉迅緊固件供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>進(jìn)口墊圈供應(yīng) 歡迎來(lái)電晉迅緊固件供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/2112678.html"><div id="7rq2yfm" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388104492019891/5122528.png" alt="東莞加長(zhǎng)螺帽推薦咨詢晉迅緊固件供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>東莞加長(zhǎng)螺帽推薦咨詢晉迅緊固件供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/2112679.html"><div id="m8tk23d" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388104386414678/1726060.png" alt="薄型螺帽定制誠(chéng)信互利晉迅緊固件供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>薄型螺帽定制誠(chéng)信互利晉迅緊固件供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/2112739.html"><div id="u7jb3mb" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388105495408637/4187855.png" alt="浙江墊圈誠(chéng)信經(jīng)營(yíng) 晉迅緊固件供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>浙江墊圈誠(chéng)信經(jīng)營(yíng) 晉迅緊固件供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/2112740.html"><div id="2ryauwy" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388105683816750/9160724.png" alt="銅密封墊片生產(chǎn)廠值得信賴晉迅緊固件供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>銅密封墊片生產(chǎn)廠值得信賴晉迅緊固件供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/2112741.html"><div id="xmj7fhz" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388105547488597/2385589.png" alt="四川墊片采購(gòu) 誠(chéng)信為本晉迅緊固件供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>四川墊片采購(gòu) 誠(chéng)信為本晉迅緊固件供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/2112742.html"><div id="7xz8hjq" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388104457791314/6039944.png" alt="南京螺母求購(gòu) 客戶至上晉迅緊固件供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南京螺母求購(gòu) 客戶至上晉迅緊固件供應(yīng)</p></a></li></ul></div></div><div id="hb2kmtv" 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="apmeg7g" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/945722.html"><div id="a78n8da" class="reImg"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/besdfj/637225383579628906/5648470.jpg" alt="上海優(yōu)質(zhì)DIN6912廠家直供和諧共贏栢爾斯道弗供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>上海優(yōu)質(zhì)DIN6912廠家直供和諧共贏栢爾斯道弗供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1671024.html"><div id="3szwikr" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/gxxfty0013/637389547995601986/1660612.jpg" alt="曲靖螺栓柳州市華僑緊固件供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>曲靖螺栓柳州市華僑緊固件供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/29797.html"><div id="gamjlcu" class="reImg"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/besdfj/637214438530810547/9912393.jpg" alt="浙江專用C3-80螺栓推薦貨源歡迎來(lái)電栢爾斯道弗供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>浙江專用C3-80螺栓推薦貨源歡迎來(lái)電栢爾斯道弗供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1388953.html"><div id="zegd87d" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/ksdhhy/637345561735996094/3256150.png" alt="江西馬車螺栓生產(chǎn)銷售廠家昆山東徽恒業(yè)精密五金供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>江西馬車螺栓生產(chǎn)銷售廠家昆山東徽恒業(yè)精密五金供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1293071.html"><div id="wl7ahtv" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/ksdhhy/637345560753925781/9323347.png" alt="南通熱鍍鋅螺栓螺母昆山東徽恒業(yè)精密五金供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南通熱鍍鋅螺栓螺母昆山東徽恒業(yè)精密五金供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/3202587.html"><div id="ncumt7i" class="reImg"><img src="http://tyunfile.71360.com/UpLoadFile/besdfj/2019/5/636945454556054138/6369454545560541389801695.png" alt="江蘇官方進(jìn)口A4-80緊固件鑄造輝煌栢爾斯道弗供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>江蘇官方進(jìn)口A4-80緊固件鑄造輝煌栢爾斯道弗供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/834391.html"><div id="7o7ovxo" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/SZSGTWJ/637320772402792969/8505821.png" alt="廣東膨脹螺栓原理信息推薦深圳盛固特五金制品供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>廣東膨脹螺栓原理信息推薦深圳盛固特五金制品供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1671025.html"><div id="cr28ogs" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/gxxfty0013/637389547992545302/9944589.jpg" alt="郴州螺栓廠家柳州市華僑緊固件供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>郴州螺栓廠家柳州市華僑緊固件供應(yīng)</p></a></li></ul></div></div></section></section><footer class="footer"><div id="3f2gy2o" 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(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="vpmi8" class="pl_css_ganrao" style="display: none;"><legend id="vpmi8"><mark id="vpmi8"><table id="vpmi8"></table></mark></legend><dfn id="vpmi8"><td id="vpmi8"><ins id="vpmi8"><label id="vpmi8"></label></ins></td></dfn><style id="vpmi8"><mark id="vpmi8"><noframes id="vpmi8"><p id="vpmi8"></p></noframes></mark></style><nav id="vpmi8"></nav><dfn id="vpmi8"></dfn><table id="vpmi8"><p id="vpmi8"><ruby id="vpmi8"></ruby></p></table><pre id="vpmi8"><u id="vpmi8"></u></pre><track id="vpmi8"></track><sup id="vpmi8"><font id="vpmi8"><tbody id="vpmi8"></tbody></font></sup><fieldset id="vpmi8"><address id="vpmi8"><strong id="vpmi8"></strong></address></fieldset><blockquote id="vpmi8"></blockquote><var id="vpmi8"><wbr id="vpmi8"><abbr id="vpmi8"><dl id="vpmi8"></dl></abbr></wbr></var><progress id="vpmi8"></progress><ins id="vpmi8"><var id="vpmi8"><strike id="vpmi8"><pre id="vpmi8"></pre></strike></var></ins><th id="vpmi8"><em id="vpmi8"></em></th><label id="vpmi8"></label><tr id="vpmi8"><b id="vpmi8"><legend id="vpmi8"></legend></b></tr><tr id="vpmi8"><var id="vpmi8"><thead id="vpmi8"><abbr id="vpmi8"></abbr></thead></var></tr><dfn id="vpmi8"></dfn><font id="vpmi8"></font><i id="vpmi8"><tr id="vpmi8"></tr></i><abbr id="vpmi8"><strong id="vpmi8"><font id="vpmi8"></font></strong></abbr><em id="vpmi8"><style id="vpmi8"></style></em><meter id="vpmi8"></meter><legend id="vpmi8"></legend><tbody id="vpmi8"><tfoot id="vpmi8"><samp id="vpmi8"></samp></tfoot></tbody><pre id="vpmi8"></pre><small id="vpmi8"><p id="vpmi8"></p></small><tr id="vpmi8"></tr><sup id="vpmi8"></sup><button id="vpmi8"></button><sub id="vpmi8"></sub><bdo id="vpmi8"></bdo><tt id="vpmi8"></tt><nav id="vpmi8"></nav><object id="vpmi8"><meter id="vpmi8"><option id="vpmi8"><source id="vpmi8"></source></option></meter></object><div id="vpmi8"><button id="vpmi8"></button></div><track id="vpmi8"></track><dfn id="vpmi8"></dfn><output id="vpmi8"><strong id="vpmi8"><font id="vpmi8"></font></strong></output><delect id="vpmi8"></delect><code id="vpmi8"><pre id="vpmi8"><table id="vpmi8"></table></pre></code><blockquote id="vpmi8"><bdo id="vpmi8"></bdo></blockquote><u id="vpmi8"></u><form id="vpmi8"></form><rp id="vpmi8"><dl id="vpmi8"></dl></rp><table id="vpmi8"></table><small id="vpmi8"></small><pre id="vpmi8"></pre><del id="vpmi8"><dfn id="vpmi8"><form id="vpmi8"></form></dfn></del><dfn id="vpmi8"><table id="vpmi8"><dd id="vpmi8"><ruby id="vpmi8"></ruby></dd></table></dfn><dfn id="vpmi8"><sub id="vpmi8"><optgroup id="vpmi8"></optgroup></sub></dfn><menuitem id="vpmi8"><em id="vpmi8"><wbr id="vpmi8"><mark id="vpmi8"></mark></wbr></em></menuitem><rt id="vpmi8"><mark id="vpmi8"><dfn id="vpmi8"><sub id="vpmi8"></sub></dfn></mark></rt><wbr id="vpmi8"></wbr><tfoot id="vpmi8"></tfoot><form id="vpmi8"><dl id="vpmi8"><pre id="vpmi8"><label id="vpmi8"></label></pre></dl></form><menu id="vpmi8"></menu><dd id="vpmi8"><li id="vpmi8"><ol id="vpmi8"></ol></li></dd><form id="vpmi8"></form><strike id="vpmi8"></strike><div id="vpmi8"></div><span id="vpmi8"><kbd id="vpmi8"><cite id="vpmi8"></cite></kbd></span><th id="vpmi8"></th><optgroup id="vpmi8"></optgroup><option id="vpmi8"><i id="vpmi8"></i></option><tt id="vpmi8"><i id="vpmi8"><menuitem id="vpmi8"></menuitem></i></tt><label id="vpmi8"><progress id="vpmi8"><listing id="vpmi8"></listing></progress></label><strike id="vpmi8"><code id="vpmi8"></code></strike><cite id="vpmi8"><center id="vpmi8"><optgroup id="vpmi8"><div id="vpmi8"></div></optgroup></center></cite><strong id="vpmi8"></strong><strong id="vpmi8"></strong><dl id="vpmi8"><pre id="vpmi8"><label id="vpmi8"><progress id="vpmi8"></progress></label></pre></dl><output id="vpmi8"><strong id="vpmi8"><font id="vpmi8"><li id="vpmi8"></li></font></strong></output><nobr id="vpmi8"><s id="vpmi8"><menuitem id="vpmi8"><em id="vpmi8"></em></menuitem></s></nobr><option id="vpmi8"><i id="vpmi8"><ul id="vpmi8"></ul></i></option><pre id="vpmi8"></pre><abbr id="vpmi8"></abbr><legend id="vpmi8"></legend><source id="vpmi8"><menuitem id="vpmi8"><abbr id="vpmi8"><legend id="vpmi8"></legend></abbr></menuitem></source><xmp id="vpmi8"></xmp><kbd id="vpmi8"></kbd><nobr id="vpmi8"></nobr><output id="vpmi8"><strong id="vpmi8"></strong></output><strike id="vpmi8"><font id="vpmi8"></font></strike><pre id="vpmi8"><u id="vpmi8"></u></pre><th id="vpmi8"></th><nobr id="vpmi8"><pre id="vpmi8"><u id="vpmi8"><strong id="vpmi8"></strong></u></pre></nobr><s id="vpmi8"></s><i id="vpmi8"><tr id="vpmi8"><abbr id="vpmi8"><strike id="vpmi8"></strike></abbr></tr></i><b id="vpmi8"></b><dfn id="vpmi8"><code id="vpmi8"><form id="vpmi8"><u id="vpmi8"></u></form></code></dfn><small id="vpmi8"></small><code id="vpmi8"><pre id="vpmi8"></pre></code><table id="vpmi8"><p id="vpmi8"><ruby id="vpmi8"></ruby></p></table><label id="vpmi8"><em id="vpmi8"></em></label><tt id="vpmi8"></tt><span id="vpmi8"><kbd id="vpmi8"><cite id="vpmi8"><sub id="vpmi8"></sub></cite></kbd></span><rp id="vpmi8"><dl id="vpmi8"><blockquote id="vpmi8"></blockquote></dl></rp><big id="vpmi8"></big></div></html>