该方法以文丘里流量计测量原理为基础，利用伯努利方程计算出所配乳化液的浓度。
This method is based on the mechanism of Verturi meters. The consistence could be deduced from Bernoulli equation of the liquid.
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 on the spot inspection of natural gas orifice meter is adopting the transitivity calibration method taking Venturi nozzle as calibration scale.
介绍了文丘里皮托管流量计的原理、结构和测量水流量公式，以及采用流量法利用现场条件对文丘里皮托管流量计进行简易标定。
The principle, structure and water flow measuring formula of Venturi Pitot tube flowmeter are introduced. The simple calibration with flow method adopting field condition is also presented.
组合式仪表由文丘里管和椭圆齿轮流量计组成。
The hybrid flowmeter consists of a Venturi meter and an oval gear flowmeter.
组合式仪表由文丘里管和椭圆齿轮流量计组成。
The hybrid flowmeter consists of a Venturi meter and an oval gear flowmeter.
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