In the design of Shaan Jing gas pipeline, in the light of the concrete condition and the overall technical and economic contrast, three ply PE external anti corrosion layer has been adopted.
2
陕津天然气高压输气管道是陕京天然气高压输气管道的支线。
Jin Shan high-pressure gas pipeline and natural gas are Shaanxi-Beijing natural gas high-pressure gas pipeline extension.