国家把水利部的最新文件发出来就行，2007的文件，兰沟洼蓄滞洪区启动是根据白洋淀的进水量和大堤情况

来源: BJming 于 2023-08-04 12:40:19 [旧帖] [给我悄悄话] 本文已被阅读：次

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