表示疑問。閘的用途就是開合調節水量，怎能鏽死？鏽時是長期關的狀態？開閘水還在河道裏，炸壩和決堤幾乎無異。

來源: 明白仁兒於 2024-04-27 21:10:19 [舊帖] [給我悄悄話] 本文已被閱讀：次

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