8566| 31
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[求助] 42CrMo 860度加热冷却段时间后油淬+低温回火,金相组织看不懂... |
发表于 2022-4-10 07:44:34
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发表于 2022-4-9 12:56:53
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发表于 2022-4-13 13:40:17
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