单片式电磁制动器
single-disc electromagnetic brake
行车制动器控制阀
travel brake control valve
service brake control valve
行车制动器空气压力开关
service brakes air pressure switch
service brake air pressure switch
行车制动器空气压力
service brake air pressure
行车制动器空气腔
service brake air chamber
行车制动器空气回路
service brake air circuit
行车制动器开关调整
service brake switch adjustment
行车制动器活塞密封圈
service brake piston seal
行车制动器工作检查
service brake operation check