我听到的是日本对包头炼钢的渣感兴趣，因为里面有稀土。

来源: chufang 于 2021-12-22 16:30:17 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.