This additional fuel matches the additional air flow through so that the proper air-fuel ratio is maintained . 增多的燃油与增多的空气流混合,因而保持了合适的空-燃比。
By dropping the creep level while the automobile is stopped , additional fuel efficiency is realized 通过降低停车时的车子爬行水平,又实现汽车的燃油经济性。
And one way to diversify is to find additional fuels for growth . in my opinion , china s great economic challenge in this decade will be to transform its financial sector into a modern , efficient engine of growth 在我看来,中国在这十年将面临的最大的经济挑战是把金融业转变成一个现代化的带动高效发展的引擎。