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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" text-wrap:="" background-color:="" line-height:="">工作特性：</span><br style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" font-size:="" text-wrap:="" background-color:=""/><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" text-wrap:="" background-color:="" line-height:="">�?）螺杆钻具的转速只与排量和结构有关而与工况（钻压、扭矩）无关、�/span><br style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" font-size:="" text-wrap:="" background-color:=""/><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" text-wrap:="" background-color:="" line-height:="">�?）工作扭矩与压降和结构有关与转速无关、�/span><br style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" font-size:="" text-wrap:="" background-color:=""/><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" text-wrap:="" background-color:="" line-height:="">�?）转速和力矩是各自独立的两个参数、�/span><br style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" font-size:="" text-wrap:="" background-color:=""/><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" text-wrap:="" background-color:="" line-height:="">�?）具有硬转速特性和良好的过载能力、�/span><br style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" font-size:="" text-wrap:="" background-color:=""/><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" text-wrap:="" background-color:="" line-height:="">�?）泵压表可以作为井底工况的监视器，由△P变化来判断和显示井下工况（钻压和扭矩（�/span><br style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" font-size:="" text-wrap:="" background-color:=""/><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" text-wrap:="" background-color:="" line-height:="">�?）转速随排量的变化而线性变化、�/span><br style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" font-size:="" text-wrap:="" background-color:=""/><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" text-wrap:="" background-color:="" line-height:="">�?）工作扭矩和转速均与结构有关。增大马达的每转排量可获得低速大扭矩的特性、�/span><br style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" font-size:="" text-wrap:="" background-color:=""/><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" text-wrap:="" background-color:="" line-height:="">�?）由于密封漏失和摩擦阻力，存在机械效率和水力效率、�/span></p><p><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" text-wrap:="" background-color:="" line-height:=""><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" text-wrap:="" background-color:="" line-height:="">工作特性：</span><br style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" font-size:="" text-wrap:="" background-color:=""/><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" text-wrap:="" background-color:="" line-height:="">�?）螺杆钻具的转速只与排量和结构有关而与工况（钻压、扭矩）无关、�/span><br style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" font-size:="" text-wrap:="" background-color:=""/><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" text-wrap:="" background-color:="" line-height:="">�?）工作扭矩与压降和结构有关与转速无关、�/span><br style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" font-size:="" text-wrap:="" background-color:=""/><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" text-wrap:="" background-color:="" line-height:="">�?）转速和力矩是各自独立的两个参数、�/span><br style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" font-size:="" text-wrap:="" background-color:=""/><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" text-wrap:="" background-color:="" line-height:="">�?）具有硬转速特性和良好的过载能力、�/span><br style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" font-size:="" text-wrap:="" background-color:=""/><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" text-wrap:="" background-color:="" line-height:="">�?）泵压表可以作为井底工况的监视器，由△P变化来判断和显示井下工况（钻压和扭矩（�/span><br style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" font-size:="" text-wrap:="" background-color:=""/><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" text-wrap:="" background-color:="" line-height:="">�?）转速随排量的变化而线性变化、�/span><br style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" font-size:="" text-wrap:="" background-color:=""/><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" text-wrap:="" background-color:="" line-height:="">�?）工作扭矩和转速均与结构有关。增大马达的每转排量可获得低速大扭矩的特性、�/span><br style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" font-size:="" text-wrap:="" background-color:=""/><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" text-wrap:="" background-color:="" line-height:="">�?）由于密封漏失和摩擦阻力，存在机械效率和水力效率、�/span></span></p><p><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" text-wrap:="" background-color:="" line-height:=""><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: " helvetica="" text-wrap:="" background-color:="" line-height:=""><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; text-wrap: wrap; background-color: rgb(255, 255, 255); line-height: 2;">工作特性：</span><br style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 14px; text-wrap: wrap; background-color: rgb(255, 255, 255);"/><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; text-wrap: wrap; background-color: rgb(255, 255, 255); line-height: 2;">�?）螺杆钻具的转速只与排量和结构有关而与工况（钻压、扭矩）无关、�/span><br style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 14px; text-wrap: wrap; background-color: rgb(255, 255, 255);"/><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; text-wrap: wrap; background-color: rgb(255, 255, 255); line-height: 2;">�?）工作扭矩与压降和结构有关与转速无关、�/span><br style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 14px; text-wrap: wrap; background-color: rgb(255, 255, 255);"/><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; text-wrap: wrap; background-color: rgb(255, 255, 255); line-height: 2;">�?）转速和力矩是各自独立的两个参数、�/span><br style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 14px; text-wrap: wrap; background-color: rgb(255, 255, 255);"/><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; text-wrap: wrap; background-color: rgb(255, 255, 255); line-height: 2;">�?）具有硬转速特性和良好的过载能力、�/span><br style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 14px; text-wrap: wrap; background-color: rgb(255, 255, 255);"/><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; text-wrap: wrap; background-color: rgb(255, 255, 255); line-height: 2;">�?）泵压表可以作为井底工况的监视器，由△P变化来判断和显示井下工况（钻压和扭矩（�/span><br style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 14px; text-wrap: wrap; background-color: rgb(255, 255, 255);"/><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; text-wrap: wrap; background-color: rgb(255, 255, 255); line-height: 2;">�?）转速随排量的变化而线性变化、�/span><br style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 14px; text-wrap: wrap; background-color: rgb(255, 255, 255);"/><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; text-wrap: wrap; background-color: rgb(255, 255, 255); line-height: 2;">�?）工作扭矩和转速均与结构有关。增大马达的每转排量可获得低速大扭矩的特性、�/span><br style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 14px; text-wrap: wrap; background-color: rgb(255, 255, 255);"/><span style="box-sizing: border-box; color: rgb(51, 51, 51); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; text-wrap: wrap; background-color: rgb(255, 255, 255); line-height: 2;">�?）由于密封漏失和摩擦阻力，存在机械效率和水力效率、�/span></span></span></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="365339" /> <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）">