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。
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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