pilot operated directional control valve

例句：

1. 1. The pilot operated directionalcontrol valve was responsible for the aircraft's navigation.
   飞行员操作的方向控制阀负责飞机的导航。
2. 2. The pilot operated directional controlvalve was crucial in ensuring safe flight.
   飞行员操作的方向控制阀在确保飞行安全中至关重要。
3. 3. The pilot operated directional control valvewas used to adjust the aircraft'saltitude.
   飞行员操作的方向控制阀用于调整飞机的高度。