A new developed instrument Model CSY-1 for measuring wire feed rate in MIG and MAG welding and for detecting quality in welding process is given.
新研制的、适用在MIG、MAG焊接中，作测定送丝速度和在焊接生产中作质量检测的CSY一1型测量仪。
Be based on measuring wire tiny diameter with laser diffraction, a method of hardware equidistance subdivision for dark string spans of diffraction fringe is presented.
在激光衍射法测量微细线径的基础上，提出用硬件插值细分的方法来确定衍射图样暗纹间距。
Proposes an optical method of measuring the height and stagger of contact wire simultaneously in railway electrification.
本文提出一种测量电气化铁路接触线高度和拉出值的光学测量方法。
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