英语语法分析

The oil is carried in pipelines.

石油用管道输送。

The problem is that it still has to be transported by trucks or rail because they haven't built any pipelines to move it.

问题是，它仍然需要通过卡车或铁路运输，因为他们没有建造任何管道来运输它。

The need of oil technology, such as long pipelines, electric power, good roads, airports, bring people from different lands to the Gulf countries to make a living.

对石油技术的需求，如制造长管道、发动电力、铺造良好的道路、建设机场等，使来自不同土地的人们到海湾国家谋生。