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'Different temperatures on the same train' of Chongqing's Rail Transit (3)

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

A staff member operates intelligent equipment at the Shanping Station smart customer service center of the second phase of the CRT Line 4. (Photo: China News Service/He Penglei)


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(Web editor: Zhong Wenxing, Hongyu)

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