motor fuel constituent

例句：

1. 1. The engine's efficiency is directlyrelated to the quality of its motor fuelconstituent.
   发动机的效率与其动力燃料成分的质量直接相关。
2. 2. The developmentof new energy sources iscrucial for reducing dependence onfossil fuels and improving motor fuelconstituent.
   开发新的能源来源对于减少对化石燃料的依赖和改善动力燃料成分至关重要。
3. 3. The research team has identifiedseveral potential motor fuel constituent sourcesin the region.
   研究团队已经确定了该地区几个潜在的动力燃料成分来源。