开发商建房时如lot不平则将后院grad积水导向中部用排水管或浅地沟导向前院公共下水道。可咨询管工方案也可自己改进排水。

来源: IEbird 于 2025-09-23 11:38:20 [旧帖] [给我悄悄话] 本文已被阅读：次

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