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投影式光学计量仪器
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投影式光学计量仪器
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投影式光学计量仪器
释
projection optical measurement instruments
投影式光学计量仪器
将工件或工件的一部分用强光照明后,经透镜放大成像于影屏上实现轮廓计量的光学系统。
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