那是排气管里的水汽受热蒸发岀来后遇到外面的冷空气凝成雾，跟你冬天呼出的白汽一样

来源: MoonRiverMe 于 2023-11-29 20:11:16 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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