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。
The main sources of the orifice flowrate' uncertainty were discussed, and then the theory basis for the precision control was provided.
探讨了孔口流量计流量不确定度的主要来源，为精度控制提供了理论依据。
Constant orifice differential pressure is the premise for high accuracy hydraulic measuring, so thorough analyse of orifice differential pressure control technology has been taken.
阀口压差的稳定是高精度液动测量的保证，因此深入研究了阀口压差控制技术。
Flow is measured via an orifice plate metering run with a differential pressure transmitter providing feedback to the control loop.
这需要比例调节阀和流量测量形成的回路控制。
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。
And rotary orifice lute could overcome difficulties caused by traditional orifice lute, and has successfully been applied in seepage control engineering of Goupitan Hydropower Station.
旋转式封闭器能解决这一系列问题，并已成功地在构皮滩水电站渗控工程中运用。
And rotary orifice lute could overcome difficulties caused by traditional orifice lute, and has successfully been applied in seepage control engineering of Goupitan Hydropower Station.
旋转式封闭器能解决这一系列问题，并已成功地在构皮滩水电站渗控工程中运用。
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