Air environment automatic sterilizer robot Xiao Chuang sprays disinfectant at Hefei South Railway Station in Hefei, capital of East China’s Anhui Province, on Tuesday. Xiao Chuang, intelligent temperature measuring robot Da Bai, and ground cleaning and disinfecting robot Xiao De have been in service for COVID-19 prevention and control during the annual Spring Festival travel rush in Hefei. China News Service |