1) thermostatic pilot control valve
恒温先导控制阀
2) thermostatic pilot valve
恒温先导阀
3) pilot control valve
先导控制阀
4) thermostatic valve
恒温控制阀，恒温器
5) TVTV Thermal Vacuum Transmitting Valve
恒温真空控制阀
6) boom pilot control valve
动臂先导控制阀
参考词条