5170| 20
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3mm厚65Mn材料,局部高頻淬火后太脆,請教合適的回火方式 |
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點評
開水成本太高吧
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點評
對,把工件灌醉!
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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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