... ultrasonic flowmeter ==> 超声波流量计,超声流量计 ultrasonic flowmeter method ==> 超音波流量测定法 ultrasonic fluctuation velocimeter ==> 超声波动测速计 ...
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Doppler ultrasonic flowmeter method 多普勒超声流量计法
Work theory, measure method of ultrasonic waves flowmeter and its application in salt production is introduced, some questions in selection and application of the flowmeter are pointed out.
介绍了超声波流量计的工作原理，测量方法及其在制盐生产中的应用，并提出了选用时应注意的一些问题。
The method in this paper is used by the ultrasonic flowmeter and a very good effect has been obtained.
该方法已应用在超声波流量计中，收到了很好的效果。
The precision of the ultrasonic flowmeter with small tube diameter and frequency difference method is affected by several factors, so to gain more accuracy is difficult.
小管径频差法超声波流量计的测量精度受各种因素的影响，因而获得较高精度比较困难。
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