冰盖太厚，开采太贵。而且主要是提炼技术中国最好。

来源: LOOP369 于 2026-05-07 19:23:57 [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.