tractorn.【C】拖拉机；牵引车tractor forces拖拉机总数tractor shovel推土拖拉机tractor loader拖拉机式装载机,牵引装载机tractorcarriedadj.拖拉机悬挂式的tractor clutch拖拉机离合器tractor plough机引犁,拖拉机犁Tractor vehide牵引车tractor series牵引机序列tractordraggedadj.用拖拉机牵引式的tractor roller机引压土器