Pipelines cost million of dollars a kilometre to build .

这种运输管道每千米的造价高达上百万美元。

But the pipelines are the main attraction .

但最诱人的部分是油气管道。

Multiple pipelines of the bunker have remained .

这座地堡许多管道留了下来。

Independent producers typically have difficulty accessing existing pipelines .

独立生产商通常很难使用现有管道。

Its pipelines were a favourite target of leftist rebels .

它的管道是左派叛乱者最喜欢攻击的目标。