肯定都评估过，加大排水的代价远大于偶尔局部被淹的代价，从能防3年一遇的暴雨到防十年一遇的暴雨就是得耗巨资，但还得被淹

来源: 21-C 于 2024-07-15 05:03:33 [旧帖] [给我悄悄话] 本文已被阅读：次

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