永成矿山抽放瓦斯封孔�?参数-价格-中国粉体罐�/title>

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}else{ $(".fixdbox").css({"display":"none"}); } $(".fixdbox_main_left div").css({"color":"#4F5862","border-bottom-color":"transparent"}); if($(this).scrollTop()>=_wsj){ $(".fixdbox_main_left div").eq(6).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_gsdt){ $(".fixdbox_main_left div").eq(5).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_yhpl){ $(".fixdbox_main_left div").eq(4).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_xgzl){ $(".fixdbox_main_left div").eq(3).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_xgfa){ $(".fixdbox_main_left div").eq(2).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_cxd){ $(".fixdbox_main_left div").eq(1).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_cpjj){ $(".fixdbox_main_left div").eq(0).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); } }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p>结构９�/p><p>由瓦斯接头，注水接头，固定管芯，扣压外套，橡胶膨胀管，螺母管芯，密封螺母，密封圈等组成、�/p><p><br/></p><p>方法及注意事项：</p><p>1、使用瓦斯抽放封孔器快速、便捷。只需将作业现场水路或气泵与封孔器注压接头连通，中间钢管与瓦斯排放管路连通，将封孔器完全放进去钻孔人，在的压力下，封孔器胶管膨胀实现封孔、注水或抽放瓦斯、�/p><p>2、瓦斯抽放封孔器可反复使用数次，注水或抽放瓦斯结束后卸掉压力，封孔器即可恢复原状，取出封孔器、�/p><p>3、送插封孔器及回收封孔器严禁带压操作、�/p><p><br/></p><p>工作原理９�/p><p>前端导入体，便于将封孔器放进去煤层钻好的孔内，封孔器后端有两个接口，一个是加压膨胀接口，一个是瓦斯抽注水管接口，给加压膨胀接口接气或接水加压后，封孔器膨胀管膨胀，然后稳压使封孔器封住煤层钻孔，再用瓦斯抽放泵接入封口器中的瓦斯抽放管抽放瓦斯和注水。作业完后切断气源或水源，封孔器膨胀管直径缩小，封孔器便可从煤层孔中抽出，整理后以备再用、�/p><p><br/></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 暂无数据� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div style="padding:10px;">暂无相关方案、�/div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); 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