13966| 63
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看似簡(jiǎn)單,卻做不出來 |
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點(diǎn)評(píng)
買管料加工,外徑與內(nèi)孔都要加工,現(xiàn)在加工出來內(nèi)孔變大了,一夾就變形
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小黑屋|手機(jī)版|Archiver|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,京ICP證050210號(hào),浙公網(wǎng)安備33038202004372號(hào) )
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