常見(jiàn)例句雙語(yǔ)例句Natural Gas Natural gas transmission pipeline between Xi'an and Weinan, Xianyang and Baoji has been built.天然氣西安至渭南、咸陽(yáng)至寶雞天然氣輸氣管道也已經(jīng)建成。www.sxdofcom.gov.cnThe service conditions of the international high-pressure natural gas transmission pipeline, pipeline steel and welded pipe at present are introduced.介紹了現(xiàn)代國(guó)際上高壓輸送天然氣管道，管線鋼及焊管的使用情況。The technical condition of steel used in high-pressure natural gas transmission pipeline and the productive technique and feature of the welded pipe used in the pipeline is discussed.對(duì)國(guó)外高壓輸送天然氣管線用鋼的技術(shù)條件，管線用焊管的生產(chǎn)工藝和生產(chǎn)特點(diǎn)作了論述。 返回 natural gas transmission pipeline