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鋼性攻絲(M29)與柔性攻絲(G84)區別除工作效率及嚴格的F/S比值外,還有什么區別? |
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正解
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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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