開發商建房時如lot不平則將後院grad積水導向中部用排水管或淺地溝導向前院公共下水道。可谘詢管工方案也可自己改進排水。

來源: IEbird 於 2025-09-23 11:38:20 [舊帖] [給我悄悄話] 本文已被閱讀：次

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