雾霾天气带什么样的口罩最合适
Choosing the right face mask against heavy pollution

 
Comment(s)打印 E-mail 中国广播网　 2013-01-14
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北京连续的雾霾天气让口罩瞬间热销。但这些各式各样的口罩能用么？中国之声记者满朝旭带着多款从网上购买的口罩来到了空军总医院，请专家帮我们判断一下哪些口罩适合戴。


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