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Traders view a mechanical robot at the Sichuan booth during the 17th Western China International Fair (WCIF) in Chengdu, capital of southwest China's Sichuan Province, Sept. 20, 2018. (Xinhua/Jiang Hongjing)
Traders view a mechanical robot at the Sichuan booth during the 17th Western China International Fair (WCIF) in Chengdu, capital of southwest China's Sichuan Province, Sept. 20, 2018. (Xinhua/Jiang Hongjing)