不要胡說。醫用口罩中間的熔噴布就是阻隔病毒的。人還要呼吸，兩層口罩阻礙呼吸，更不科學。

來源: AprilMei 於 2021-02-14 16:37:58 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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