文中研究一种用于工业密闭管道流体流量测量的新型超声波多普勒流量计。
To study a new type ultrasonic Doppler flow meter for industry flow measurement of the liquid in the airtight pipeline.
本文结合工程实例，介绍了几种实用的含杂质流体的流量测量方案，供自动化仪表设计及维护人员参考。
Combining the engineering examples, this paper introduces several practical flow measurement methods of contain impurity fluid, and only refers to automation instrument design and repair persons.
在流体传动系统中，流量是需经常测量的过程参数之一。
The volume of flow is a process parameter which is often measured in fluid transmission systems.
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