10呎深真沒聽過。下水道一定有斜度，近房子的地方10呎，到公共入口不是10幾呎了？

來源: 原上草2017 於 2025-02-27 09:13:00 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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