油从管道中渗漏出来。

Oil started to seep from the pipeline.

这个管道系统非常复杂。

This pipeline system is very complex.

这条管道穿越了几个州。

The pipeline runs through several states.

他们发现了燃气管道的泄漏。

They discovered leaks in the gas pipeline.

这条管道用于输送天然气。

This pipeline is used to convey natural gas.