1782| 1
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求高手,加工1.5MM和3.2MM120MM深的小孔。用什么刀具,材料是工程塑料,孔里无塑料 |
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小黑屋|手机版|Archiver|机械社区 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
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