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3.尽可能多地设置热电偶测试仪，以充分反映印制板各部分的实际受热情况。
零点误差可在线通过重新调零来修正。
当脉冲电流磁场与浮子产生的磁环磁场相遇时，浮子周围的磁场发生改变从而使得由磁致伸缩材料做成的波导丝在浮子所在的位置产生一个扭转波脉冲，这个脉冲以固定的速度沿波导丝传回并由检出机构检出。
当温度低于-20时，管道冻结后不会出现冻裂。
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大自然本身就是一个和谐的生态系统，当采用传统的方法进行堤岸防护时，河道大量地被衬砌化、硬质化，这固然对防洪起到了一定的积极作用，但同时对整个生态系统的破坏也是显而易见的，混凝土护坡将水、土体及其他生物隔离开来，阻止了河道与河畔植被的水气循环。
详情介绍：上海光华电磁流量计转换器LDZ-6产品信息：适用范围:电磁流量转换器将来自传感器的微小流量信号转换成与流量成正比的0-l0mADC或4-20mADC标准电流信号和频率（脉冲）输出。
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退出率用户从某个页面离开次数占总浏览量的比例。
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直埋电缆的挖、填土（石）方，除特殊要求外，电缆根数为1～2根时每米沟长挖方量按计算，电缆根数为每增一根对每米沟长挖方量按计算，单位为m。
九龙机械的大型木材粉碎机都是配用是三相电380V，这样既可以保证生产质量，又可以保证产量的。
其特点是单瓣或双瓣花，密集，花束中有3-25朵花，白色、红色和粉红色，花期长，从春末到秋季开放。
6、羊齿类植物、抽叶藤、蓬莱蕉等，但要注意不要选有制类的植物，以防扎人。
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