落差2000多米，理论上可以利用，难度肯定不小

来源: 美国老师于 2025-07-23 11:59:56 [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.