tractorn.【C】拖拉机；牵引车tractor propeller牵引式螺旋桨tractor aeroplane牵引式飞机tractor drawn hoe拖拉机牵引中耕锄tractor-trailern.牵引式挂车tractor parameter整机参数tractor propelledadj.拖拉机驱动的tractor bulldozer推土拖拉机tractor-carriedadj.拖拉机悬挂的Tractor vibration拖拉机振动tractor-dragged拖拉机牵引