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'Different temperatures on the same train' of Chongqing's Rail Transit (5)

(Ecns.cn) 14:48, June 09, 2022

Photo shows a robot guide of the second phase of the CRT Line 4. (Photo: China News Service/He Penglei)


【1】【2】【3】【4】【5】【6】

(Web editor: Zhong Wenxing, Hongyu)

Photos

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