5819| 7
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40cr回火硬度要在35-40之間 |
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點評
其實這種常用的隨便熱處理手冊查查,或者上網(wǎng)查查基本都八九不離十
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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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