Pipe line steel (X60~X80) and helicoids steel (ADB610D) supplied to the three gorges projects have been put into large scale production.
铸机高技术高附加值产品的比例明显提高，X60~X80管线用钢和ADB610D三峡右岸蜗壳用钢已大批量生产。
1·Before installing, flush pipe line to remove scale and debris.
在安装之前，冲洗管道，清除水垢和碎片。
2·The oil and gas pipe line through fault or landslide area is easy to be damaged by earthquake.
油气管道通过断层和滑坡地带，容易遭受地震破坏。
3·Protective gas system: pipe line from the protective gas generation station to reducing annealing furnace.
保护气系统：从保护气体发生站至还原退火炉的管道。
4·There is no water and most of the time pipe line and taps are stolen.
没有水，大多数时候管道或笼头被偷了。
5·This paper analysised the advantage and availableness of correlation technique to detect the leaks on buried oil pipe line, together with how to solve several key problems in detecting the leaks.
本文从理论和实验两个方面分析了相关技术在石油输送管道泄漏检测中的可行性和优越性并探讨了检漏中需要解决的几个关键问题。