Fuel component had more significant effect on HC and CO emissions in low and middle load.With the ethanol percent increase in oxygenated fuel, the HC and CO emissions increased.是什么意思_Fuel component had more significant effect on HC and CO emissions in low and middle load.With the ethanol percent increase in oxygenated fuel, the HC and CO emissions increased.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句