短语词组短語oil l engine 內燃機oil burning engine 使用比汽油重的燃料的發動機oil cooled engine 油冷式發動機oil injection engine 油動機oil test engine 油料試騐機adding oil to engine 發動機加機油Oil pressure engine 油壓馬達Oil cooling engine 油冷內燃機 返回 oil engine