throttle circuit

例句：

1. 1.The throttle circuit is responsible for controlling the engine's speed.
   节流电路负责控制发动机的速度。
2. 2. The throttle circuit was designed to improve fuel efficiency.
   节流电路的设计目的是为了提高燃油效率。
3. 3.The throttle circuit is a crucial component of an aircraft's avionics system.
   节流电路是飞机航电系统的一个关键组成部分。