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          3D printer helps machinists to repair bullet trains in Chongqing
          

          


          chinadaily.com.cn    |     2016-11-28 11:19
    



 


          


          

          


          



          

          


          
3D printer helps machinists to repair bullet trains in Chongqing

          


          


          Xu and his colleagues look at the 3D printer in Chongqing, Nov 23, 2016. [Photo/VCG]
          
          		

          
          

          

          


          

          

          




          

          

          




          



          


          

          


          

          


          

          

          


          

          


          

          

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