8060| 4
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絲錐使用次數,手攻或者攻絲機攻45鋼,能加工多少個孔 |
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點評
這么厲害啊!
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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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