问题20笔误，应该是每个登山者配3个背夫。等从主页下来后更改。

来源: 老套筒于 2019-08-25 14:54:55 [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.