常見例句A correctly matched air-fuel ratia must be available at all tims, and under all conditions.This is satisfactorily achieved by electronic fuel injection. 正確匹配的空燃比必須在所有工況下一直可用，電控燃油噴射可以圓滿實現(xiàn)它。The Renovation and Operation of One Chain Grate Stoker Boiler to Lower Circulating Ratia Circulation Fluidized Bed Boiler 鏈條爐排鍋爐改造為低倍率循環(huán)流化床鍋爐及其運行Avitellina ratia 拉廷無卵黃腺絳蟲 返回 Ratia