To reduce emissions in existing combustors, fuel is premixed with a large amount of swirling air flow prior to injection into the combustor.
现行的燃烧室要想减少排放量,必须在燃料注入燃烧室之前就通过大量的空气流将燃料混合好。
2
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 fuelinjection.
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。
3
But most of the really detailed hard parts like carburetion, power transmission, fuelinjection etc, are already solved and come in ready-made components.