brake-operating pin 闸操作销

clutch operating pin 离合器压盘销

clutch pressure operating pin 离合器压销

valve operating pin 气门控制销

pilot pin operating limit switch 导销操纵的行程开关

whip operating lever pin 止动操作杆销

operating method of locating pin 定位销的操作方法

split-second operating lever pin 双秒针活动杆销

operating cylinder piston pin 风缸□□销