阐述了孔板流量计的流量测量原理以及理论流量计算公式、标准孔板的结构形式和技术要求。

Then, its measurement principle and theoretical formula, as well as the structural style and technical requirements of standard orifice were expounded.

youdao

阐述了孔板流量计的流量测量原理以及理论流量计算公式、标准孔板的结构形式和技术要求。

Then, its measurement principle and theoretical formula, as well as the structural style and technical requirements of standard orifice were expounded.

youdao