7603| 4
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絲錐使用次數(shù),,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�,�,!
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,,浙公網(wǎng)安備33038202004372號 )
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