北京不是靠天然河，而是靠人工维持的运河来输运供给。

来源: borisg 于 2023-07-20 08:21:41 [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.