Move with the X axis micrometric movement the sharp shadow, till the digital comparator red light is on the zero right position.
微调移动X轴接近“十”字比较尺，直到数字比较器的指示灯在零点右边变亮。
The principle, structure and assembling method of 0 ". 2 micrometric autocollimator and its two main accessories are introduced in the paper."
本文介绍了0.2秒测微自准平行光管及两种主要附件的原理、结构及装调方法。
The principle, structure and assembling method of 0 ". 2 micrometric autocollimator and its two main accessories are introduced in the paper."
本文介绍了0.2秒测微自准平行光管及两种主要附件的原理、结构及装调方法。
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