套、立压表、阀位开度表、气压表、油压表等组件组成。 还有气动压力和阀位变送器。
The cover, the vertical pressure meter, the valve position opening scale, the pressure gauge, the oil pressure gauge and so on.
本文应用快速付立叶变换（FFT）计算分析了冲击发生器与分压器之间的相互作用对全波波头时间测量的影响。
This paper deals with the influence of impulse generating and measuring system on the measurement of lightning impulse front time by Fast Fourier Transformation (FFT).
随着循环量的增大，立管内的负压差梯度及气固相对速度也随之增大；
The negative pressure gradient and slip velocity in standpipe increase with the increase of circulating rate.
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