gas transportation main pipeline的意思|示意

The pipeline transportation is not only one of the five greatest transportation systems, but also the main way for gas transportation in our country.

管道运输是我国五大运输系统之一，是天然气最为主要的运输方式。

LSAW pipes, made by thick steel plates through compacting, are main pipeline products for long-distance transportation of oil, natural gas.

直缝埋弧焊管是长距离输送石油、天然气的主要管线产品，钢管由厚钢板压制成形。

The industrial transport corridor for coal transportation to be demolished through blasting was located in very complicated surroundings, which was adjacent to the main pipeline of natural gas.

欲爆破拆除的工业输煤长廊周围环境较复杂，与厂区天然气主管道紧密相邻。