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2019 Smart China Expo opens to public for free 

      

      
 Source: Xinhua| 2019-08-28 07:16:46|Editor:  ZD 

      

            
      


      

      

      

      
    

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      CHINA-CHONGQING-SMART CHINA EXPO (CN)
      

      Children watch the performance of robots during the 2019 Smart China Expo in southwest China's Chongqing Municipality, Aug. 27, 2019. The 2019 Smart China Expo was open to public for free on Tuesday. (Xinhua/Wang Quanchao) 
      

      

      

      


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