4125| 20
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3mm厚65Mn材料,,局部高頻淬火后太脆,,請(qǐng)教合適的回火方式 |
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點(diǎn)評(píng)
開水成本太高吧
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點(diǎn)評(píng)
對(duì),把工件灌醉,!
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