1) secondary parking brake knob
辅助停放制动器按钮
2) parking brake knob
停放制动器按钮
3) parking brake control knob
停放制动器控制按钮
4) parking brake valve control knob
停放制动器阀控制按钮
5) secondary parking brake
辅助停放制动器
6) parking brake switch knob
停放制动器开关按钮
参考词条