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以上是我们对超声波流量计使用和常见问题的一些肤浅看法。
因此当电机的负载变化时，可以通过自动增加或减小同时导通的相数来平衡电机负载。
这样的家具也许可以用一生而不是几年。
色彩是物体反射光作用于人眼而使人产生的一种对于颜色的认知，其中有三大属性：色相、亮度和饱和度。
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gU同位素的同位素般需要满足以下基本条件:。
仪表上的三个功能键，SET键、INC键和SHT键可对内部参数时行设定。
4）也许从来没有精准的粉丝还有一点是很难找到精准的粉丝。
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根据自己的工况介质选择适用的流量系数，就可以算出调节阀每个开度所对应的流量、压力。
激光雕刻机是指利用激光对需要雕刻的材料进行雕刻的一种先进设备。
用户停留时间用户停留时间反映了网站粘性及用户对网站内容质量的判断。
镗缸可以在镗床或钻床上进行；珩磨头的安装和珩磨工艺(gōngy)应按磨具生产厂家的技术要求进行，同时要定时测量(cèliáng)缸径，防止珩磨过量。
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