With 4-valve technology, the fuel injector is mounted vertically in the center of cylinder head for better combustion effect and superior fuel economy.
采用四气门技术，喷油器在气缸盖上居中垂直安装，燃烧更充分，具备出色的燃油经济性。
The practical result indicated that the additive produced form black liquor has longer effective time, good combustion effect and obvious economic benefit.
实际应用表明，水煤浆存放时间长，燃烧效果好，可添代现有水煤浆添加剂，经济效益明显。
In this paper, a new parameter named slurry combustion effect was induced for applying solid propellant BDP model for prediction of pasty propellant and slurry propellant steady combustion behavior.
在固体推进剂bdp燃烧模型基础上，引入膏体推进剂燃烧热效应这一新参数将模型推广于膏体推进剂和固体推进剂药浆燃烧研究。
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