斯特福密封活塞环-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"> <p>活塞环作用包括密封、调节机� (控油) 、导� (传热)、导� (支承) 四个作用:</p><p>1、密�?指密封城气，不让燃紧室的与体漏到曲链，把与体的洲漏是制在*低跟度，提高热效率、漏气不双会发动机的动力下降，而目会博机流变质，这是与场的主要务；</p><p>2、调节机油（控油):把气机壁上多余的滑油下，同时又使机壁上布有薄的油膜，保证气缸和活塞及环的正常润滑，这是海环的主要任务，在现代高速发动机上，特别重视活塞环控制油镇的作用：�/p><p>3、导热，通过活赛环将活赛的热量传导给打套，即起冷却作用，据可靠资料认为，活赛而所受的的热,景中�?0~ 80%是通过活赛环传给打而散掉的：�/p><p>4、支撑：活赛环将活惠平待布与打中小活与气都室高港镇，保活赛平动，座镇阳力,而目·活素部一汽发�?的活赛采两道气环一道油环、而坚油发动机清常采用质道油环、�/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"}); 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