direction controller

例句：

1. 1. The direction controller is responsible for adjusting the vehicle's speed and steering.
   方向控制器负责调整车辆的速度和转向。
2. 2.The direction controller is a crucial component ofthe navigation system.
   方向控制器是导航系统的关键部件。
3. 3. The direction controller was designed toimprove the safety of the aircraft during takeoff and landing.
   方向控制器被设计用来提高飞机起飞和降落的安全性。