petroleum oil
短语词组
- petroleum motor oil 石油车用润滑油
- petroleum spray oil 机油乳剂
- petroleum m oil 石油
- a petroleum spray oil 农用矿物喷淋油
- petroleum heavy oil 石油重油
- petroleum fraction oil 石油馏分油
- petroleum gas oil 石油气体油;瓦斯油
- petroleum fuel oil 石油燃料油
- crude petroleum fuel oil 石油锅炉燃料油;石油燃料油 返回 petroleum oil