百事德真空泵系列-参数-价格-中国粉体罐�/title>

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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"> <table cellspacing="0" cellpadding="0" width="100%"><tbody><tr class="firstRow"><td valign="top" width="78%" style="font-size: 13px;color: rgb(51, 51, 51)"><span style="color:#ff3300">工作原理９�br/></span><span style="color:#000000">　　气缸体的吸入口和排风口的连通角度约�?40°，吸入侧和排风侧之间形成以转子和气缸体所围成的封闭空间。这个区域充满空气，其压力就成为排风侧和吸入侧之间的压力差。降低压差，减少转子和气缸体之间的汇漏量，改善容积效率及机械效率就可以达到节能的效果。并且排风侧的高温气体难以回到吸风侧，因此整体的上升温度很小，能够承受高负荷运转。另外，由于温升小，轴承与同步齿轮之间的运转变化不大，所以整机的噪音并不大、�/span></td><td valign="top" width="22%" style="font-size: 13px;color: rgb(51, 51, 51)"><img src="//www.znpla.com/img1/img/daily/2019/01/22/150537_259535_procont.jpg" width="150" height="139"/></td></tr><tr><td colspan="2" style="font-size: 13px;color: rgb(51, 51, 51)"><img src="//www.znpla.com/img1/img/daily/2019/01/22/150538_928020_procont.gif" style="width: 12px"/> <span style="color:#ff3300">特点�?nbsp;<br/></span><span style="color:#000000">◎�/span><span style="color:#000000"> 分开式气缸体结构，便于拆卸和检�?nbsp;<br/></span><span style="color:#000000">◎�/span><span style="color:#000000"> 转子和轴构成整体式多级转子，可以产生高达</span><span style="color:#000000;font-family:Arial">0.1Pa(1x10<sup>-3</sup>Torr)</span><span style="color:#000000">的压劚�br/><span style="">◎�/span> 三叶罗茨式转子具有完好的动平衡确保低噪声和低振动<br/><span style="">◎�/span> 因为不使用内部润滑剂，不存在往高真空侧的逆流油的问题，可获得纯净的真穹�br/><span style="">◎�/span> 轴密封采用干燥密封方泔�br/><span style="">◎�/span> 不排放油雾，保持良好的工作环墂�br/><span style="">◎�/span> 应用范围广泛，能够在大气压中正常运转且能保持稳定的性能<br/><span style="">◎�/span> 无磨损，可以长期连续运转，保养管理简協�br/><span style="">◎�/span> 可以回收凝缩性气体的排水<br/><span style="">◎�/span> 结构简单，耐用</span></td></tr></tbody></table><p><img src="//www.znpla.com/img1/img/daily/2019/01/22/150554_478922_procont.jpg"/></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"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); $(".xgfa_box").css("display","none"); $(".xgfa_box").eq(_index).css("display","block"); }); }); </script>  <div class="xgzl"> <div class="cxd_tit"><span></span>相关资料</div> <div class="xgzl_box"><div style="padding:10px;">暂无数据、�/div> </div> </div>  <div class="yhpl"> <div class="cxd_tit"><span></span>用户评论</div> <form id="FormComments" action="" method="post" onsubmit="return false"> <input name="SaveProComments" id="SaveProComments" type="hidden" value="yes" /> <input name="ProductID" id="ProductID" type="hidden" value="137797" /> <input name="ProQuality" id="ProQuality" type="hidden" value="10" /> <input name="ProService" id="ProService" type="hidden" value="10" /> <input name="ProUsability" id="ProUsability" type="hidden" value="10" /> <input name="ProCostperformance" id="ProCostperformance" type="hidden" value="10" /> <div class="yhpl_pf"> <div> <p>产品质量</p> <div><span id="Quality" class="stars star10"></span><span id="Quality_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>售后服务</p> <div><span id="Service" class="stars star10"></span><span id="Service_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>易用�?/p> <div><span id="Usability" class="stars star10"></span><span id="Usability_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>性价毓�/p> <div><span id="Costperformance" class="stars star10"></span><span id="Costperformance_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> </div> <div class="yhpl_pftit">评论内容</div> <textarea name="Comments" id="ProComments" onfocus="checklogin();" placeholder="分享产品使用经验/采购评价（不超过500字）">