the west-east gas pipeline project 西气东输管道工程
East-West Gas Pipeline Project 东西输气管线工程
With the development of West-East Gas Pipeline project and the urban underground pipeline network infrastructure,Horizontal Directional Drilling(HDD) technology applications become more widespread.
随着西气东输工程的开展以及城市地下管网基础建设的发展,非开挖水平定向钻技术应用日趋广泛。
参考来源 - 非开挖冒浆问题解析及防冒浆软件的研发·2,447,543篇论文数据，部分数据来源于NoteExpress
However, X80 pipeline steel with PF as main morphology does not meet the specifications of the Second West-East Gas pipeline Project.
以多边形铁素体为主的管线钢的强度不符合西气东输二线管道工程的技术要求。
X70 steel coils of acicular ferrite microstructure for large diameter pipes were researched and developed at Baosteel. The products have been used in West-East Gas Pipeline Project.
宝山钢铁股份有限公司开发研制的针状铁素体型X70大口径输气管线用板卷钢已应用于西气东输管线工程。
The pipeline construction in west China gas transported to east China project needs pipeline crossing the Yangtze river at Sanjiangkou port.
根据三江口地质、环境特点，决定盾构施工法为西气东输管道通过长江的推荐方案。
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