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      Smart high-speed trains on test runs on Beijing-Zhangjiakou railway
      

      
Source: Xinhua|
Published: 2019-12-18

      

      
      
             
      
        
      
        
      
          
        
      
      
      
      
      
      

      
      
      
      
                        
      A "smart" high-speed line: Self-driving trains are undergoing test runs on Beijing-Zhangjiakou high-speed railway.
      
 
            
      
      

      

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