Preparation method of double-speed integrated electric hoist brake disc and friction material layer
Special manual lifting device for large lifting-lug-free box member
Highway event early warning system and method based on big data high-speed sub-control center
Traffic illegal parking snapshot automatic processing system
Signal lamp management and control system based on road traffic flow big data
Urban road intersection traffic information acquisition system based on image recognition technology
Intelligent vehicle networking system based on V2X vehicle networking technology