[討論] 請問北京目前需要用到N95嗎?
不好意思,明天要到北京洽公一個禮拜
想請問一下目前空氣的狀況有需要用到N95嗎?
我是支氣管過敏的類型Orz
這次洽公沒料到會遇上霧霾 囧>想說上來問問...
謝謝
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