gear shifting gate

例句：

1. 1.The gear shifting gate is responsible for changing the speed of the car's engine.
   齿轮换挡门负责改变汽车发动机的速度。
2. 2.The gear shifting gate is a crucial component in the transmission system.
   齿轮换挡门是传动系统中的一个关键部件。
3. 3. The gear shifting gate is designed to make it easier for drivers to control the car's speed.
   齿轮换挡门的设计使得驾驶员更容易控制汽车的速度。