11月6日,工作人员在进博会的展馆里讲解擦窗机器人的工作原理。在第四届进博会的消费品展区里,众多“新奇特”展品和“绿科技”应用,成为透视“消费升级”的窗口。[新华社记者 刘颖 摄]
A staff member introduces a window cleaning robot at the Consumer Goods Exhibition Area of the 4th China International Import Expo (CIIE) in east China's Shanghai, Nov. 6, 2021. (Xinhua/Liu Ying)
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