Ring Line of urban rail transit
urban passenger station
urban passenger traffic
Urban Passenger Transport
Urban Passenger Transportation
Urban rail transit
快速轨道交通
城市轨道交通
轨道交通系统
城市轨道交通系统
城轨交通
城市轨道
轨道交通
快速交通
地铁
城轨
规划
线网规划
供电系统
Urban Rail Transit Bridge
urban rail transit engineering technology
Urban Rail Transit Station
Urban Rail Transportation
urban vehicle control implementation
Urban Vehicle Ownership
100% low-floor light rail vehicle
rail vehicle roller test-rig