switching control pilot

例句：

1. 1. The pilot was instructed to switch overto the new system immediately.
   飞行员被指示立即切换到新系统。
2. 2. The switchover control pilot successfully executedthe mission.
   切换控制飞行员成功地完成了任务。
3. 3. The pilot had to switch overto a backup system in case of anemergency.
   在紧急情况下，飞行员必须切换到备用系统。