12037| 29
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100x14500的平面要求加工Ra6.3,應該用什么機床加工?有這么長的機床嗎? |
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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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