1) large diameter spiral welded pipe
大口径螺旋焊管
1.
The construction technology of installing suspended system on the ground and sidewall, and putting guide system under spiral welded pipe, and centralized controlling of the ground winch in the course of installing the large diameter spiral welded pipe.
论述了反井钻井井壁内安装大口径螺旋焊管施工时,地面悬吊系统、井壁内悬挂系统、螺旋焊管下放导向系统、地面绞车集中控制等施工工艺。
2) Large-sized spiral welded pipe
大口径螺旋焊接钢管
4) large diameter straight-weld pipe
大口径直缝焊管
1.
Finite element simulation of large diameter straight-weld pipe forming;
大口径直缝焊管有限元仿真技术
5) big diameter welded tube
大口径焊缝管
6) Small-sized spiral submerged-arc welded pipe
小管径螺旋埋弧焊管
补充资料：次大口径成品油管道(见大口径原油管道)
次大口径成品油管道(见大口径原油管道)
small big inch products pipeline
次大口径成品油管道比m“，。彬duet、pipeline)见大。径原油管道。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条