瞎扯一通。沒人在乎煙是不是黑的，隻在乎這種不完全燃燒產生的二噁英。

來源: dakinglaile 於 2023-02-16 15:57:38 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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