14989| 63
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看似簡單,,卻做不出來 |
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點評
買管料加工,外徑與內孔都要加工,,現(xiàn)在加工出來內孔變大了,,一夾就變形
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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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