pilot differential relay

例句：

1. 1. The pilot differential relay is used to detect and control the speed of the aircraft.
   飞行员差动继电器用于检测和控制飞机的速度。
2. 2. The pilot differential relay is a crucial component in the flight control system.
   飞行员差动继电器是飞行控制系统中至关重要的组成部分。
3. 3. The pilot differential relay is designed to provide accurate positioning information for the aircraft.
   飞行员差动继电器被设计为为飞机提供准确的定位信息。