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      How does disinfection robot aid coronavirus prevention
      

      
Source: Xinhua|
Published: 2020-03-02

      

      
      
             
      
        
      
        
      
          
        
      
      
      
      
      
      

      
      
      
      
                        
      How does a disinfection robot aid coronavirus prevention at a science park in east China's Hefei.
      
 
            
      
      

      

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