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Its measuring principle and method are given.
阐述了测量原理和测量方法。
Abstract: The measuring principle and application of vortex flowmeter are introduced.
文摘:介绍涡街流量计的测量原理及应用。
This paper describes the measuring principle, construction and results of the helix standard system for testing gears.
本文介绍齿轮螺旋线标准装置的测量原理、结构及结果。
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