The sub-micron circular features of Compact Disc, Video Disc and Optical Disc are usually produced by laser cutting machine .
声盘、视盘及光盘的亚微米圆弧线一般通过激光刻录机光刻制造。
The sub-micron circular features of Compact Disc, Video Disc and Optical Disc are usually produced by laser cutting machine .
声盘、视盘及光盘的亚微米圆弧线一般通过激光刻录机光刻制造。
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