The rot produces methane, which is collected via a network of pipes that penetrate the mountain, and burned to produce electricity.

腐烂物产生沼气，经由管网收集，管网贯穿大山之中，然后燃烧发电。

Regular roads are upgraded by having networks of pipes installed underneath the tarmac.

通过在柏油碎石路面下安装管道网络来升级常规道路。

This future forward concept is actually built on the backbone of a 19th century idea where compressed air propelled rail cars through a network of pipes.

这个未来的概念实际上是建立在19世纪的思想基础上的，当时压缩空气推动轨道车辆通过管道网络。