网络释义
1)service brake/retarder relay valve,行车制动器/减速器继电器阀2)retarder relay valve,减速器继电器阀3)service brake/retarder engine governor,行车制动器/减速器发动机调速器4)electropneumatic carretarder valve,车辆减速器的电空阀;车辆缓行器的电空阀5)decelerating relay,减速继电器6)travel brake valve,行车制动器阀