2) steel natural gas line
钢质天然气管道
1.
The buried-pipe laying of steel natural gas line concerns entire urban gas supply system and the safety of people\'s lives and properties.
钢质天然气管道埋地敷设工程关系到整个城市供气系统和人民生命财产的安全。
3) oil and gas pipeline
石油天然气管道
1.
The article states the information of 3PE coating development and application in foreign country,and developments process of 3PE introduction and spread in China and application into oil and gas pipeline.
介绍了国外3PE防腐技术的开发、应用以及我国3PE防腐设备的引进、吸收、国产化的发展过程和在石油天然气管道建设中的使用情况。
4) Transmission pipes for petroleum and natural gas
石油天然气输送用钢管
6) oil and natural gas pipeline optical fibre communication
石油天然气管道光纤通信
1.
From practical view point, this paper analyses the application designs of oil and natural gas pipeline optical fibre communication system, then introduces some problems in the demand of basic communicate serves,select of equipment and lay of optical cable.
本文从实际的工程应用出发,详细分析了目前石油天然气管道光纤通信的应用情况,对基本通信业务需求、光通信设备选择、光缆敷设等方面的应用提出了一些看法。
补充资料：石油天然气国际贸易(见石油市场与天然气市场)
石油天然气国际贸易(见石油市场与天然气市场)
石油天然气国际贸易(internotional tradeof011 and只as)见石油市场与天然气市场。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条