Traditional orifice plate flowmeter had some demerits such as low measuring precision and high power dissipation.
传统孔板流量计测量精度较低，功耗较高。
The working principle of the orifice-plate measuring method of flow quantity was introduced.
介绍了孔板测量流量方法的工作原理。
The method of measuring is important to the measurement of natural gas flux for an intelligent orifice plate flow totalizer.
对于天然气计量用的智能孔板流量积算仪，流量的计算方法对计量结果有非常重要的意义。
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