弹簧制动器的辅助放松装置
auxiliary release device for spring-brake actuator
分动的制动器附件
independent brake attachment
永久磁铁驱动的制动器
permanent-magnet-actuated brake
传动系行驶制动器弹簧力
driveline service brake spring load
弹簧制动器背板
spring brake backing plate
辅助制动器弹簧力
secondary brake spring force
行车制动器弹簧载荷
service brake spring load
左后侧停放制动器弹簧
left rear parking brake spring