fleetair arm

例句：

1. 1. The aircraft's flight arm was damaged during the crash.
   飞机的飞行臂在坠机时受损。
2. 2. The pilot used the auxiliary arm to stabilize the plane.
   飞行员使用辅助臂来稳定飞机。
3. 3. The engineer inspected the flight arm for any signs of wear and tear.
   工程师检查飞行臂是否有磨损的迹象。