我用了40年了，大多數親戚朋友也用 gas water heater，還真沒聽過出過什麽安全上的問題。

來源: 原上草2017 於 2020-03-19 12:14:11 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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