标准孔板 standard orifice plate ; BYM-BK ; normal orifice ; BN-BK
标准孔口 standard orifice ; Orifice standard ; standard orifice west bank
环室标准孔板 Standard orifice with carrier-rings
标准孔板流量计 standard orifice flowmeter ; ZYCLG
标准孔位置 position of reference perforation hole
标准孔板喷嘴 LGPH
径距取压标准孔板组件 LGBJ
法兰取压标准孔板组件 LGBF
标准泄漏孔 Standard leak
分析开发标准孔板设计计算软件的必要。
This paper analyzes necessity to develop a software used to calculate standard orifice.
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。
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.
本文介绍了标准孔板尖锐度修正的意义及修正的方法，并对实施这一工作提出了新的建议。
This paper presents the significance and method of correcting the sharpness of standard orifice plate and gives some suggests for carrying out this work.
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