煉鐵技術發展不快，就是越大越好。改造就是建大高爐，九十年代後的高爐基本比以前大一倍

來源: ltb72 於 2025-04-25 10:35:59 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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