推拉式拖拉机-铲运机
push-pull tractor-scraper
拖拉机悬挂型机具
tractor mounted implement
标准型轮式拖拉机
standard-type wheeled tractor
大功率轮式拖拉机
high-power wheeled tractor
Large-power wheel tractor
履带式拖拉机差速转向
track-type tractor differential steering
履带式拖拉机维修手册
track-type tractor service manual