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It swears to be the air filter in haze season

哮喘、過敏、咽喉炎……隨著霧霾季的來臨，很多老人、小孩和一些體質(zhì)孱弱者的呼吸道開始飽受折磨。
2016-11-23
Haze is a carcinogen

【霧霾是一級致癌物！】
2015-04-09
The environmental engineer holds the class of URSOSH in Zhangjiang Central Elementary School

“我們?nèi)粘：粑械目諝庥心男┏煞帜?？?/a>
2016-11-08

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