What has turned the lowly four-banger into such a ready replacement for its bigger brethren is the widespread use of turbo-charging and direct fuel injection.
卑微的四缸引擎能如此迅速地替代其他更多缸数的引擎的原因是废气涡轮增压和燃油直喷技术的广泛使用。
2
It can reduce the fuel consumption to adopt the technique of hot delivery and hot charging.
供料方式采用了热装热送，降低了燃料消耗。
3
Adopting the quick pipe connector to improve system tightness. After being parked for some time, the vehicle can be started without stoping for charging, thus realizing the fuel economy.