twin throttle

例句：

1. 1.The twin throttles on the car are used to control the speed of the engine.
   汽车上的双节流阀用来控制发动机的速度。
2. 2. The engineer adjusted the twin throttles to increase fuel efficiency.
   工程师调整了双节流阀以增加燃油效率。
3. 3.During acceleration, the twin throttles were used to increase power output.
   加速时，双节流阀被用来增加动力输出。