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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><strong>STT-970<strong>通信管内壁静摩擦系数测试�?/strong></strong>每次使用后，应洗净擦干。产品及其附件应存放在干燥、清洁、无振动、无易燃、易腐蚀物品的环境条件下。上海魅宇仪器设备有限公司主要经营水泥、砂浆、混凝土、沥青、土工、油漆涂料、无损检测试验仪器、化学分析仪器、试验机、天平、试模、筛具等，能供应实验室成套试验仪器设备、�/p><p><strong>STT-970<strong>通信管内壁静摩擦系数测试�?/strong></strong>技术参数：</p><p>测量范围�?���?5��</p><p>测量精度� 2.0‱�/p><p>试棒重量�?70g��10g </p><p>操作步骤９�/p><p>1、将试样固定在V型铁上，从右端插入试棒使一端露�?0mm，拴好链绳、�/p><p>2、轻微摇动手轮使V型铁上水平泡处于水平位置、�/p><p>3、打开角度尺紧固栓，转动角度尺使角度尺与副尺归零，拧紧紧固栓、�/p><p>4、顺时针摇动手轮，使V型铁缓慢倾斜，直至试棒滑动为止、�/p><p>5、记录下角度尺示值、�/p><p>6、逆时针摇动手轮，使V型铁水平为止、�/p><p>7、将试棒拉出通信管外�?0mm、�/p><p>8、按照以上操作步骤连�?次，计算�?次平均值。（倾斜角度�?4��4′依据JT/T683-2009《通信管道静摩擦系数测量仪》之规定要求（�/p><p>性能特点９�/p><p>是上海魅宇仪器设备有限公司专为生产、质量监督、工程施工和监理等单位测量通信管内壁静摩察系数而设计和生产的。具有结构合理、操作简单、适用性广、测量精度高、测量安全及可靠性好等特点、�/p><p>符合中华人民共和国交通行业标准JT/T683-2009《通信管道静摩擦系数测量仪》相关技术标准的要求、�/p><p>推荐产品<a><span>液压**试验朹�/span></p><p>结构组成９�/p><p>主要由以下部分组成：</p><p>1、底�?/p><p>2、手摇轮及传动杆</p><p>3、蜗轮蜗杅�/p><p>4、上底版</p><p>5、角度尺及副尹�/p><p>6、V型卡铁及水平装置固定夸�/p><p>7、试棒及链绳</p><p>注意事项９�/p><p>1、固定通信管应保证红色箭头标志的一面向上、�/p><p>2、每次摇动手轮一定要轻缓、�/p><p>3、应定期在蜗轮蜗杆上加注润滑油或黄油、�/p><p>4、试验结束后一定要加盖防尘罩、�/p><p>5、本仪器知识产权归本公司所有，严禁仿制；否则，本公司将终止履行相关维修义务，并保留法律追究的权利、�/p><p>贮存条件９�/p><p>测定器及其附件应存放在干燥、清洁、无振动、无易燃、易腐蚀物品的环境条件下、�/p><p>装箱清单９�/p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><p>1</p></td><td><p>主机</p></td><td><p>壹台</p></td></tr><tr><td><p>2</p></td><td><p>试棒</p></td><td><p>壹个</p></td></tr><tr><td><p>3</p></td><td><p>产品说明�?/p></td><td><p>壹份</p></td></tr><tr><td><p>4</p></td><td><p>产品生产合格�?/p></td><td><p>壹份</p></td></tr></tbody></table> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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