pilot operated compound-relief valve

例句：

1. 1. The pilot operated the complex-relief valve to control the airpressure in the cabin.
   飞行员操作了复合式减压阀来控制客舱内的气压。
2. 2.During the flight, the pilot operated thecompound-relief valve to maintaina comfortable temperature.
   飞行过程中，飞行员操作了复合式减压阀来保持舒适的温度。
3. 3. Thepilot operated the compound-relief valve to prevent the cabin from becomingtoo hot during takeoff.
   飞行员操作了复合式减压阀以防止客舱在起飞时变得过热。