本文针对核电站二回路管道测厚部件、测厚方法、测量参数选择及测量步骤等进行探讨。
According to the two loop nuclear power plant pipeline thickness measurement component, thickness measurement, measurement parameters and measuring steps, etc. are discussed.
阐述了利用等厚干涉，通过线阵CCD图像处理系统自动测量圆度误差的测量原理。
The principle of the measuring roundness error system used the equal thickness interference and CCD image-processing system is expatiated.
在工业生产中，利用超声波进行固体或液体中的距离测量十分普遍，尤其是小距离、微距离测量（如测厚、粗糙度、液位等）。
Application in ultrasonic rang in solid and liquid is in industry production very widespread, especially in micro-rang and short-rang, for example, thickness, roughness, liquid level.
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