The ball flow meters can be built with common shop tools.
动球式流量计可以用普通的工厂设备制出。
Wisdom (VSE) gear to gear flow meters for the principle of flow measurement equipment.
威仕（VSE）齿轮流量计以啮合齿轮为原理的流量计量仪器。
Jakobshavn's current speed of flow is about 15,000 meters per year.
雅各布港冰川当前的流动速度大约是每年15500米。
Special designs of area meters are available to solve many different flow problems.
解决不同的流量问题有各种专门设计的面积流量计。
Precision valve action accurately meters the flow of paint to the point.
精密阀动作准确平方米油漆的点的流量。
The average flow of the river is 200 cubic meters per second.
这条河平均流量为每秒200立方米。
The average flow of the river is 200 cubic meters per second.
这条河平均流量为每秒200立方米。
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