ignition injection

例句：

1. 1. The new engine uses an ignition injection system to improve fuel efficiency.
   这款新发动机采用了点火喷射系统来提高燃油效率。
2. 2. The car's ignition injection system is responsible for starting the engine.
   汽车的点火喷射系统负责启动引擎。
3. 3. The engineer used an ignition injection to test the car's performance.
   工程师使用点火喷射测试了汽车的性能。