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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空军总医院感染控制科,主任曹晋桂教记者如何正确佩戴口罩。曹晋桂告诉记者,其实合适的口罩并不贵,普通的医用外科口罩就可以起到很好的防护效果,而这种口罩批发价只要2毛5,购买时需要看清生产许可证。[中国广播网 李雪南 摄]


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