The effect of new and old editions of the involved national standard on the automatic oil delivering system of volumetric type widely used in China is discussed through an error analysis.
就我国大量应用的体积流量法自动发油系统，通过对新旧国家标准的误差分析，探讨新国家标准的颁布对自动发油系统计量的影响。
The effect of new and old editions of the involved national standard on the automatic oil delivering system of volumetric type widely used in China is discussed through an error analysis.
就我国大量应用的体积流量法自动发油系统，通过对新旧国家标准的误差分析，探讨新国家标准的颁布对自动发油系统计量的影响。
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