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請教:“柔性攻絲時主軸由攻錐帶動自由進給”是說主軸被絲錐帶著走嗎? |
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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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