All of them can be used directly adopted by JOCEC in long-distance pipeline construction projects and also be useful for other construction projects.
可直接应用于油建公司长输管道施工项目中去，对油建公司其他施工项目也有借鉴作用。
The key in long-distance pipeline construction is welding process, long-distance pipeline construction quality is inextricably linked with quality control of welding process.
在长输管道工程施工中的关键是焊接过程，长输管道工程的施工质量好坏与焊接过程的质量控制是密不可分。
Therefore, Beijing should initiate the construction of the second long-distance pipeline immediately.
因此北京必须立即着手引进第二条长输管线。
It is represented to a few automatic welding modes commonly used among welding construction of long distance pipeline both at home and abroad and compared with them.
介绍了国内外长输管道焊接施工中常用的几种自动焊接方式，并对其进行了比较。
The survey and finallization of long-distance oil pipeline is very important in the design and construction of oil pipeline.
线路选、定线设计是长输管道建设项目线路设计中的一项重要工作。
The survey and finallization of long-distance oil pipeline is very important in the design and construction of oil pipeline.
线路选、定线设计是长输管道建设项目线路设计中的一项重要工作。
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