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Young explorers discover China's high-speed train technology in Chongqing

chinadaily.com.cn | Updated: 2024-11-11 15:16
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In the cockpit, Zhang Mang from train maintenance workshop in Chongqing shows the control panels and introduces how to care for train equipment and behave on trains to children. [Photo by Su Zhigang/For chinadaily.com.cn]
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