嗯美国钢铁刚被日本制铁收购。看看美国钢铁的技术都是几十年的老技术，之所以还算低能耗就是只炼废钢不用铁矿石

来源: dakinglaile 于 2023-12-21 12:10:44 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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