direct-on starter

例句：

1. 1.The new car has a direct-on starter, which makes starting the engine very easy.
   这款新车配备了直接启动器，使得启动发动机变得非常容易。
2. 2. The engineer used a direct-on starter to start the engine in the factory.
   工程师使用直接启动器在工厂启动了发动机。
3. 3. The new technology uses a direct-on starter to improve fuel efficiency.
   新技术使用了直接启动器来提高燃油效率。