短语词组短語fuel -oil system 燃油系統fuel pump oil pump 油泵fuel head oil barge 石油駁船fuel head oil 燃料油fuel cooled oil cooler 燃油冷卻滑油冷卻器;油冷滑油散熱器;用燃油冷卻的冷油器fuel with oil 以油爲燃料 返回 fuel oil