摘要
从技术和经济两方面比较了天然气输气管道穿越河流的两种设计方案——定向钻穿越和大开挖穿越。
Two design schemes for river crossing of natural gas transmission pipeline, i.e. directional drilling crossing and big dig crossing are compared technically and economically.
出处
《煤气与热力》
2009年第7期24-27,共4页
Gas & Heat
关键词
输气管道
穿越河流
定向钻
大开挖
方案比选
gas transmission pipeline
river crossing
directional drilling
big dig
scheme comparison and selection
