瞎抹黑，有大BA水會更平穩的流向下遊，幹枯期要少，有利水質。而不是雨季都流海裏了，旱季水少。

來源: 國人情懷於 2019-07-24 20:19:35 [舊帖] [給我悄悄話] 本文已被閱讀：次

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