petroleum oil
短语词组
- petroleum motor oil 石油車用潤滑油
- petroleum spray oil 機油乳劑
- petroleum m oil 石油
- a petroleum spray oil 辳用鑛物噴淋油
- petroleum heavy oil 石油重油
- petroleum fraction oil 石油餾分油
- petroleum gas oil 石油氣躰油;瓦斯油
- petroleum fuel oil 石油燃料油
- crude petroleum fuel oil 石油鍋爐燃料油;石油燃料油 返回 petroleum oil