keyless propeller

例句：

1. 1.The keyless propeller system makes driving more convenient.
   无钥匙启动系统让驾驶更便捷。
2. 2. The car has a keyless propeller that can be programmed to start automatically.
   这辆车有一个可以编程自动启动的无钥匙启动器。
3. 3. The new model car comes with a keyless propeller, which is very popular among young people.
   新款汽车配备了无钥匙启动器，非常受年轻人欢迎。