稀土材料不只是军事用途。我们平时看到的公路上画的分道线，隔离桩，上面的反光材料都是跟稀土有关的

来源: 一脸的美人痣于 2025-04-24 20:52:20 [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.