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          Tech used in flood control, disaster relief
          
        
          
      
          
      
          
        
          
          chinadaily.com.cn |
          Updated: 2021-07-28 06:40
          
          
          
          
        


        
      
          
      
          
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          A large number of advanced technologies have been used in China's all-out efforts to ramp up flood control and disaster relief in Central China's Henan province. Here are some of the highlights.
           

          
        
          

        
        
      
          
        
          
          
        

        
          
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