The on the spot inspection of natural gas orifice meter is adopting the transitivity calibration method taking Venturi nozzle as calibration scale.
天然气孔板流量计的现场检定，采用以文丘里音速喷嘴作为标准表的传递型校准法。
The performance of the combination of Venturi meter and turbine flowmeter in liquid-liquid two-phase flow measurement was investigated.
本文研究了运用单相流量计组合进行液液两相流参数测量的方法。
These meter kits conform to the specification requirements of consulting engineers and provide you with a master test kit to monitor venturi flow devices.
测量装置符合顾问工程师的说明要求，可以提供一个专业级文曲里管流量监测设备的测量装置。
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