petrol pipe的意思|示意

The double lift pipe catalytic cracking process and apparatus for modifying inferior petrol in petroleum processing aims at reducing the olefin content and sulfur content in petrol greatly.

本发明公开了石油加工过程的一种改质劣质汽油的双提升管催化裂化方法 及装置，主要用于解决采用现有技术所生产的汽油烯烃含量或硫含量下降幅度 不大的问题。

Police said the trio had siphoned diesel into a petrol -driven vehicle. When their car would not start, they examined the fuel pipe using a cigarette lighter.

警方说，这三人用虹吸管将柴油吸进了一辆烧汽油的车中，当汽车发动不了时，他们就点燃打火机检查油管。