fuellern.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 injector喷油器fuel speculations引发揣测fuel weight ratio燃料与结构重量比Fuel-controller燃油控制装置fuel availability燃料利用率fuel control rack喷油量控制齿条fuel cell battery燃料元电池fuel-tight area密封燃料舱fuel oil stripper燃料油解析塔Fuel wood species燃料型能源树种