新室外機連銅管焊口漏過。舊室外機上發現漏點也難找人焊。新冷媒用舊銅管問題大嗎有壽命嗎？師傅說抽掉舊的250，新管400.

來源: IEbird 於 2023-08-11 09:05:19 [舊帖] [給我悄悄話] 本文已被閱讀：次

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