被你这一问，我笑了！你以前的那个热水器是什么？是废气直接从烟囱走的？还是用马达把废气扇出去的？

来源: hhtt 于 2023-06-28 16:14:52 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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