traction aid牵引装置
tractionn.拽;牵引;牵引力;附着磨擦力
traction motor blower牵引电动机通风机
traction relationship牵引关系
traction electromotor牵引电机
tractional detachment牵引性脱离
traction power source牵引电源
traction and tracking推移和车辙
traction differential见limited slip differential
traction power supply牵引供电
traction power system牵引供电系统
traction machine body牵引机体