measuring ball method 量球法
measuring ball radius 测球半径
temperature-measuring ball 测温球
pressure-measuring copper ball 测压铜球
pressure measuring copper ball 测压铜球
ball headed measuring rod 球头测杆
This paper introduces the method of simple conversion measuring and calculation for gear rack thickness with depthometer as prime measuring tool and measuring Pin, measuring ball as auxiliary tool.
介绍了以深度尺为量具，以棒、球为辅件的齿条齿厚简易转化测量与计算方法。
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