1) top speed lock pilot control valve
高速锁先导控制阀
2) slow speed pilot control valve
低速先导控制阀
3) speed and direction pilot control valve
速度和方向先导控制阀
4) pilot control valve
先导控制阀
5) differential lock control valve
差速锁控制阀
6) boom pilot control valve
动臂先导控制阀
参考词条