1923| 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,孔里無塑料 |
Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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