停放制动器阀位置 parking brake valve location

停放制动器阀支架 parking brake valve bracket

停放制动器阀滑阀 parking brake valve spool

停放制动器阀控制按钮 parking brake valve control knob

停放制动器电磁阀 parking brake solenoid valve

停放制动器控制阀 parking brake control valve

停放制动器松放阀 parking brake release valve

停放制动器往复阀 parking brake shuttle valve

停放制动器放泄阀 parking brake bleed valve