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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>JZJW系列罗茨无油往复真空机组是以ZJP系列罗茨真空泵为主抽�?以WLW型立式无油往复真空泵为前级泵串连而成。此机组克服了WLW型真空泵极限压力高，在—定压力下抽气速率低的缺点，同时又保留ZJP系列罗茨真空泵工作迅速、有较大抽气速率的优点。所以JZJW系列罗茨无油往复真空机组被广泛应用于化工行业的真空蒸馏、真空蒸发、脱水结晶；食品行业的冷冻干燥，医药行业的真空干燥等工艺过程中�?nbsp;</p><p>由于WLW型真空泵采用无油自润滑材料，可获得洁净真空,因此JZJW系列罗茨无油往复真空机组在排气口安装尾气收集装置后，可以收集在高真空系统中无法凝固、无法压缩收集的气体，如：戊二烯、苯、甲苯等气体，避免了因其沸点低、难收集而排放对环境所造成的污染�?nbsp;</p><p>JZJWL系列罗茨无油往复真空机组，是我公司和国家科研单位合作开发的新产品，优点是节能显著，占地面积小、节水、低噪音，是理想的环境保护新产品、�/p><p> 1)极限真空度高，真空度长期稳定、�/p><p> 2)较高真空状态下抽气速率大、�/p><p> 3)电机功率小，能耗低、�/p><p> 4)由于JZJWL系列罗茨无油往复真空机组过流部分无油润滑，在机组排气口安装尾气收集装置后，可以收集在高真空系统中无法凝固无法压缩收集的气体如苯、甲苯等、�/p><p> 5)无二次水污染，减轻治污压力�?nbsp;</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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