1·Serial number refers the non - welding pipe rack number.
序号代表第几个非焊缝管架。
2·Meanwhile the specific ways to improve J55 welding pipe quality are put forward.
同时提出了提高J5 5焊管质量的具体途径。
3·The demand to welding process of high-frequency welding pipe is introduced, some related parameters proposed.
介绍了高频焊管对焊接工艺的要求，提出了有关工艺及技术参数。
4·This article describes the whole process of JCOE longitudinal submerged arc welding pipe made from rolling plate.
简述了采用热轧卷板制造直缝埋弧焊接钢管的全过程。
5·The present invention discloses a welding pipe and has simple welding operation, high welding speed and high welding quality.
本发明公开了一种焊接用管，该管和与之相应的管一起焊接可以简化操作，提高焊接速度和焊接质量。
6·Cold bend welding pipe equipment is indispensable to welding pipe production and cold bend type steel with open or close entrance.
冷弯焊管设备是生产焊管、开口及闭口冷弯型钢必不可少的设备之一。
7·It was the first time that to make the longitudinal submerged arc welding pipe by rolling plate in our country or even in the world.
采用卷板制造直缝埋弧焊接钢管，在国内甚至世界上尚属首次。
8·A set of auto fixing-length system for the production of small diameter welding pipe is designed on basis of application of technology of photoelectric.
以光电技术应用为基础，设计了一套适用于小直径焊管生产的新型自动精确定尺系统。
9·The problems related to the measurement and control of residual stress in the production of spiral sub-merged arc welding pipe were analyzed based on tests.
在大量试验的基础上，综合论述了螺旋缝埋弧焊管实际生产中有关残余应力的测试与控制问题。
10·The vertical feed fly saw, equiped on most straight welding pipe sets, can not be suitable to cut square shaped pipes because of serious deformation on the cut face.
当前一些直缝焊管机组所配备的垂直进锯型飞锯因易造成切断端面严重变形，不适合锯切正位生产的方矩型类管材。