orifice meter

基本解釋

The most commonly used method for measurement of gas is the orifice meter.
孔板流量計是測量氣體流量最常用的方法。
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Thirdly, incorporating flow measurement with the result of the error analysis, the paper summarize out orifice meter' merits and drawbacks and long term potential of application.
結(jié)合流量測量的誤差分析結(jié)果總結(jié)出孔板流量計的優(yōu)缺點及發(fā)展前景。
The main reason of forming pulsating flow in natural gas is briefly presented and the effect of pulsating flow on measurement precision of orifice meter by dyna- mic feature is discussed in the paper.
本文簡要介紹形成天然氣脈動流的主要原因，并從流量計的動態(tài)特性討論脈動流對孔板流量計測量精度的影響；

a plate having a central hole that is placed across the flow of a liquid, usually between flanges in a pipeline. The pressure difference generated by the flow velocity through the hole enables the flow quantity to be measured