speed-altitude trim position

例句：

1. 1.The aircraft's speed-altitude trim position was adjusted to optimize fuel efficiency.
   飞机的速度-高度调整位置被调整以优化燃油效率。
2. 2. The pilot carefully monitored the speed-altitude trim position during takeoff and landing.
   飞行员在起飞和降落时仔细监控速度-高度调整位置。
3. 3.The engineer made adjustments to the speed-altitude trim position to improve stability.
   工程师对速度-高度调整位置进行了调整，以提高稳定性。