检查排气扇。早几年的排气扇没有单向阀，冬天进冷风。还有壁炉的排气孔，电源插孔（可以封，根据自家情况注意安全）

来源: hjh73 于 2022-12-08 14:16:18 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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