军用运输车辆
military transportation vehicles
军用运输装备
ministry transport equipment
农用运输机械
Farm transporting mechanism
手扶拖拉机运输机组
walking tractor transport unit
拖拉机运输机组
tractor-trailer combinations
军用机器人车辆
military automaton vehicles
军运运费
military transportation freight
调机运用
using of shunting
shunting locomotive operation