A correctly matched air-fuel ratia must be available at all tims, and under all conditions.This is satisfactorily achieved by electronic fuel injection.是什么意思_A correctly matched air-fuel ratia must be available at all tims, and under all conditions.This is satisfactorily achieved by electronic fuel injection.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句