fuelern.加油器(供油装置)fueln.燃料；刺激因素vt.供以燃料vi.加燃料fuel oil product燃料油成品fuel consumptionn.耗油量；燃料消耗fuel economy oil节省燃油的润滑油fuel cell system燃料电池系统fuel setting key引信定秒器fuel centralizer燃料集中分配器fuel cell bottom燃料电池底fuel supply line供油管fuel reformation燃油改质fuel measurement燃油测量