A type of valve, typically found on small-diameter pipework, that incorporates an orifice or flow-restriction device to control fluid flow.
一般用于小直径管道系统的一种阀。它包括一个用于控制流体流动的孔板或限流装置。
A device incorporating an orifice that is used to control fluid flow rate or downstream system pressure.
包括一个喷嘴的装置。它用于控制流体的流量或下游系统的压力。
The differential pressure fluctuation has a quite great influence upon the measure precision in measuring natural gas flow rate with the measuring device by use of standard orifice plate.
在采用标准孔板节流装置测量天然气流量时，盖压波动对测量精度影响甚大。
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