冉莊一個村挖了15公裏長的地道，就算每個村平均5公裏地道，80個村 80x5=400公裏地道

來源: 布周山於 2019-05-23 07:55:22 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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