雄安新區是2017年開始的。海河流域的蓄洪區應該是老早就有了。“北京首次動用1998年建成的滯洪水庫蓄”

來源: dakinglaile 於 2023-08-02 08:36:25 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.