Smart devices ensuring smooth railway operations during China's Spring Festival travel rush

Source:CCTV.com 14-01-25 04:56 Updated BJT
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Various smart devices have been deployed across China to ensure efficient and smooth railway operations during the Spring Festival travel rush runs from January 14 to Feburary 22 this year. 

Editor: ChangjuanGu
14-01-25 04:56 BJT
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