煉鐵就是在高爐中用焦炭把氧化鐵還原成鐵，然後再吹氧把鐵水中的碳氧化就成了鋼。

來源: chufang 於 2024-09-09 17:00:16 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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