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    First high-speed train operating in mountains offers 4G coverage
    

    By Jin Dan | chinadaily.com.cn | Updated:  2017-11-09 11:32
    



    



    

    


    
First high-speed train operating in mountains offers 4G coverage

    


    


    A railway staff member shows the equipment used for telecommunication on Xi'an-Chengdu high-speed railway line in Qinling Mountains tunnel. [Photo/Chinanews.com]
    
    		

    
    

    

    


    

    

    



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