2798| 4
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17crnimo6熱處理 |
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點評
直接燒紅放機油里個行
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點評
硬度高沒有事,淬火后有沒有內應力,韌性有沒有變化
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Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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