The experiment is done to study DN100 field pipeline surface-laid and coupled by common groove adapters to discuss the vibrating ease of field pipeline system in different water hammer pressure.

对地面裸管铺设、用普通连接器连接的DN100机动管线进行实验研究，探讨机动管线在不同水击压力作用下，管线系统的振动情况。

youdao

He says that a new pipeline will be laid between Mindana and Bazargan, near the Turkish border, to increase the volume of Iranian gas sold to Turkey.

VOA: standard.2010.07.23

To get the gas to market, hundreds of miles of pipeline are being laid along clear-cut forest "tunnels" sometimes dozens of yards wide.

NPR: Northeast Drilling Boom Threatens Forest Wildlife