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关注:1
2013-05-23 12:21
求翻译:hardening is the process of heating a piece of steel to a temperture within or above its critical range and then cooling it rapidly是什么意思? 待解决
悬赏分:1
- 离问题结束还有
hardening is the process of heating a piece of steel to a temperture within or above its critical range and then cooling it rapidly
问题补充: |
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