China's bullet trains running at 350 km/h are changing the way Chinese people travel. But to maintain such a speed, safety and travel experience, thousands of people have to engage in laborious, sometimes physically challenging, maintenance work. Thanks to technology, more robots have now been introduced to improve the efficiency and safety during maintenance tasks.
Copyright © 2018 CGTN. Beijing ICP prepared NO.16065310-3
Copyright © 2018 CGTN. Beijing ICP prepared NO.16065310-3