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   漂亮的石头 版主 Staff Member

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   据环境保护部宣传教育司官方微博消息，1月29日（初二）至31日（初四）期间，受较强冷空气影响，预计全国大部地区空气质量好转，总体形势较好。同时，受烟花爆竹燃放影响，局地空气质量可能有不同程度变差。
   
   

    

   漂亮的石头, 2017-01-28

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