controlled flap

例句：

1. 1. The engineer carefully adjusted the controlled flap to optimize performance.
   工程师仔细调整了控制板，以优化性能。
2. 2. The aircraft's controlled flaps were activated automatically during takeoff.
   飞机的自动控制翼片在起飞时自动激活。
3. 3. The pilot had to make quick decisions about when to use the controlled flaps.
   飞行员必须迅速决定何时使用自动控制翼片。