炼铁技术发展不快，就是越大越好。改造就是建大高炉，九十年代后的高炉基本比以前大一倍

来源: ltb72 于 2025-04-25 10:35:59 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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