日韩欧美综合中文字幕,国产香港特级一级毛片,毛片基地a久久国产精品,杨幂旡码大片Av在线播放,精品熟女少妇a∨免费久久

Smart clean, help smart city

Arete provides customers with an open environmental sanitation cloud platform. It uses Internet, cloud computing, big data collection and other related technologies to connect environmental sanitation vehicles through intelligent terminals, collect the travel path and operation video of each environmental sanitation vehicle, and supervise the operation time, operation range, operation efficiency and operation effect of each equipment in real time throughout the whole process.