单词	保养费--维护费
释义	维护费，保养费cost of maintenance
随便看	efficiency of filtration efficiency of gain efficiency of grafting efficiency of gross production efficiency of heart efficiency of humidify efficiency of labor efficiency of labour efficiency of marketing management efficiency of net production efficiency of plating efficiency of plating-- eop efficiency of plating; eop efficiency of projector efficiency of reeling efficiency of retina efficiency of riveting efficiency of running gears efficiency of scintillation efficiency of seat utilization efficiency of selection efficiency of semiconductor efficiency of separation efficiency of transformer efficiency of transmission