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} }); 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>此系列螺杆真空泵是由一对变距等径平行的螺旋状转子与泵体组成的一个工作室，转子与泵体之间没有摩擦且保持一定的间隙，两个转孏�/p><p>与泵体之间形成了密封腔，当转孏�/p><p>旋转时把密封腔内的气体不断地挣�/p><p>带至排气口排出。因螺杆真空泵无</p><p>需油润滑或水密封，泵腔内完全无</p><p>油，因此螺杆泵是无油干式真空泵，它是往复泵、水环泵、水喷射真空泵、油封式滑阀真空泵、旋片真空泵及罗茨机组的更新换代�?/p><p>品�?*设计带有清扫口和两端氨气保护，可以用在抽除可凝性气体、带有少量粉尘及微小颗粒的气体，不易堵塞、清洗方便、使用可靠，该功能是其他厂家不具备的、�/p><p>一般都以减压启动为主，特殊要求的可加装变频电机和变频器，进行有效真空和抽气速率的调整、�/p><p>设计上可作移动真空，不需地脚固定、�/p><p>可根据客户气体情况或需求个性化定制材质要求、�/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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