7749| 6
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Cr12MoV熱處理硬度達(dá)到HRC58-62,加工好了硬度達(dá)到46-50,,能修復(fù)嗎 |
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小黑屋|手機(jī)版|Archiver|機(jī)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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