POWER-ASSISTED STEERING SYSTEM动力转向系统
power-assisted steering ram操向助力油缸
PS Power-Assisted Steering助力转向
power-assisted steering gear带助力器的转向装置
speed-sensitive power-assisted steering速度感应式转向系统
speed sensitive power-assisted steering速度灵敏的操舵
electric power-assisted steering system电动助力转向系统