By using dual timing method the calibrator for calibrating coefficient of instrument of pulsed flow transducer is designed.
利用双时间法设计了用于检定脉冲型流量传感器仪表系数的检定仪。
To the problems existing in the experiment of coefficient of viscosity with ND-2 instrument coefficient of viscosity, some improvements on the instrument are given.
针对ND - 2型液体粘滞系数仪测定液体粘滞系数实验中所存在的问题，探索该实验仪器的改进方法。
On the basis principle of elevator equilibrium coefficient to design a new measure instrument.
基于电梯平衡系数的测试原理，设计开发一种新型测试仪。
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