锥型流量计在煤气厂的应用 关键词] 煤气流量测量；锥型流量计；标准孔板 [gap=370]Key words ：measurement of gas flow；V—cone flow meter；standard orifice plate
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This paper presents the significance and method of correcting the sharpness of standard orifice plate and gives some suggests for carrying out this work.
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。
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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