Petroleum is a kind of valuable energy source of the earth, and pipeline transportation is the main way for petroleumtransport.
石油是地球赋予人类的宝贵能源财富，管道输送是石油的主要输送方式。
2
In our country, petroleumtransport link is a weaker link. About this problem, domestic personages also come up with common understanding.
在我国，石油运输环节是一个较薄弱的环节，国内人士也对这一问题应该如何解决产生了一定的共识。
3
In recent years, with the growing of the petroleum import in China, the single of petroleumtransport channels seriously threat the security of China's petroleum supply.