請過的管工顯示管道內實時成像，拐彎處有比較堅固大塊油脂積壓沉澱。洗衣房衛生間不應有油脂。管道大轉彎半徑應當好些？

來源: IEbird 於 2024-01-26 08:26:38 [舊帖] [給我悄悄話] 本文已被閱讀：次

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