... Line External Diameter 线圈外径 external diameter measure 外行尺度 External diameter at top 桶口最大外径 ...
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Fit the dial gauge with some preload and measure the lateral runout at the greatest external diameter of the brake disc.
在带有一定预载的情况下安装百分表，然后测量制动盘最大外径处的横向跳动。
A new reflection method to measure the external diameter and the thickness distribution of the quartz tube is described in this paper.
本文介绍了反射法测量石英管外径及壁厚的原理和方法。
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