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發(fā)黑處理、調(diào)質(zhì)處理、熱處理的區(qū)別 |
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點(diǎn)評
Quench—Polish-Quench
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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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