記事「Air pollution」 の 検索結果 14 件
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Beijing PM2.5 worst level [12/25]Chinese live in the poison gas http://awabi.2ch.net/test/read.cgi/news4plus/1387968565/ [China] ..
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Air pollution in Beijing , " PM2.5 " 250 micro milligram super , The worst level ... Call wearing a maskI can not breathe in China http://uni.2ch.net/test/read.cgi/newsplus/1380442269/ [ China ] Take..
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