然后，用千分表再次检查链条箱盖的位置。

Then check the position of the chain case lid again using the dial gauge.

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千分表是一种高精度的长度测量工具，广泛用于测量工件几何形状误差及相互位置误差。

The 0.001mm dial indicators are a high accuracy length measuring tool. They are widely used for measuring the geometric deviation and position deviation of workpieces.

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