2871| 3
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求助,直徑2mm的銅件如何加工 |
點評
是要貫通,這種一般什么廠有這種加工設備
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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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