2126| 1
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異形件調質處理,怎樣讓它不變形 |
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點評
如果是鍛件,熱處理前注意要先探傷
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小黑屋|手機版|Archiver|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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