火车定位跟踪
TPT Train Positioning Tracking
GPS车载定位系统
vehicle positioning system of GPS
车辆导航定位系统
vehicle guidance and location system
车辆定位系统
vehicle positioning system
Vehicles positioning system
vehicle position system
VLS Vehicle Location System
车辆自动定位系统
Automatic vehicle location
车载定位系统
vehicle positioning system
列车跟踪定位系统
Train Tracking and Positioning System
列车跟踪与定位系统
Train Tracking and Positioning System
自动车辆定位系统
AVL
automatic vehicle location system
气动位移系统
pneumatic positioning system
三维精密位移系统
three dimensional precision displacement system
数据光栅位移系统
Digital grating displacement system