fuelingn.加燃料；加油动词fuel的现在分词形式.fueln.燃料；刺激因素vt.供以燃料vi.加燃料fuel batteries engine燃料电池发动机fuel economy standard燃料经济性标准fuel pump lever clamp燃料泵操纵杆夹fuel moisture content可燃物含水量fuel-breeding cycle燃料增殖循环fuel tank support bar燃油箱支杆fuel oil service pump燃料油唧送泵fuel oil priming pump起动燃油泵fuel injection needle喷油针fuel ignition quality燃料的自燃性