ultrasonic flow measuring instrument ==> 超声波量测量仪表 ultrasonic flowmeter ==> 超声波流量计,超声流量计 ..
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In this paper is introduced a kind of newly developed ultrasonic Doppler instrument for measuring blood flow of superficial artery.
本文介绍了一种便携式浅表动脉超声多普勒血流仪的研制。
This paper introduced the flow measuring principle of time-difference method of ultrasonic flow meter and the flow calculating method in flow measurement with velocity instrument.
论述了流速仪法测流及水轮发电机组现场效率试验的原理和计算方法。
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