- 问题详情:AdensewaveofsmogbeganintheChinesecityofHarbinandthesurroundingHeilongjiang,Jilin,andLiaoningProvinceson20October2013.UnseasonablywarmtemperatureswithverylittlewindacrossnortheasternChinacoincidedwiththesmokefromlocalfarmers’burningstrawsandth...
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