包钢铁矿含有稀土，所以给冶炼带来了困难。就知道日本欲出高价购买包钢的炼铁废渣，然后包钢设法回收稀土。

来源: chufang 于 2025-06-12 11:02:29 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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