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最近北京这天气什么口罩比较适合?
feinux
·
Jan 14, 2013
· 3260 views
This topic created in 4872 days ago, the information mentioned may be changed or developed.
据说N95的比较好,但是我看了下,光同一品牌下N95的就好多个型号。
还有一个问题就是这种细微颗粒物吸附的,但是会影响呼吸。
大家有用过或者研究过吗,哪种比较好一点?
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N95
比较
好多个
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