vehiclesn.交通工具；车辆名词vehicle的复数形式.vehicles and equipment车辆装备Vehicles and Equipments车辆设备vehicles identification车辆识别vehicles' operating speed溶解度Vehicles service safeguard车辆维修保障vehicles dispatching rules集卡调度策略vehicles monitoring system车辆监控系统vehicles dispatching system物流车辆调度vehicles surveillance system车辆监测系统vehicles maintenance service汽车维修业