The method avoids that hole of taking pressure is blocked by used average-velocity tube to measure unpurged one phase fluid in the big pipe.

避免大口径管道采用均速管测量非洁净流体时，取压孔被堵塞问题。

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An electron tube used to amplify or generate ultrahigh frequency by means of velocity modulation.

速调管一种用速度调节的方法放大或产生超高频率的电子管。

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Stability of regulated pressure is maintained under varying flow conditions through the use of an aspirator tube which adjusts the supply valve in accordance with the flow velocity.

受管制的压力下保持稳定是通过不同的抽气管，可以调整与流速按照使用流量阀供应条件。

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Some cite the velocity of the monetary base that existed in the past and assume it is still relevant, but the You Tube rocket of the base rising into the stratosphere is matched by an offsetting plunge of its velocity reaching all the way to China.

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