1.
Analysis on key technologies for pipeline internal circumferential automatic welding machine with multi-torch
管道环焊缝多焊炬自动内焊机关键技术分析
2.
Research of root welding technology and welding procedure with back-up shoes pipeline girth welding
带衬垫的管道环焊缝根焊技术及焊接工艺
3.
Research on pipeline girth welding joint with copper infiltration and copper back-up shoes root welding
管道环焊缝采用铜衬垫根焊及焊缝渗铜研究
4.
Girth Weld Defects Assessment of Strain-based Design Pipelines
基于应变设计的管道环焊缝缺陷评估
5.
The Impact of Heat Treatment on Residual Stress from P92 Pipes Girth Weld
热处理对P92管道环焊缝残余应力的影响
6.
Software Development of Pipeline Circumferential Weld Automatic Ultrasonic Detecting System
管道环焊缝全自动超声波探伤系统的软件开发
7.
Research on Flaw Detection Technology of Ultrasonic Phased Array for Oil and Gas Pipeline Girth Welds;
超声相控阵油气管道环焊缝缺陷检测技术的研究
8.
Application of PIW48 pipe inner girth welding line
国产PIW48管道内环缝自动焊机焊接技术应用
9.
Experimental Study of Laser Girth Welding for Line Pipe Steel X100
X100管道钢环缝激光焊接的试验研究
10.
Research and application for internal circumferential welding machine with multi-torches made in China
国产数控式管道内环缝多焊炬自动焊机研究及应用
11.
Research on Internal Circumferential Automatic Welding Equipment and Process for Long Distance Pipeline with Big Size
大口径长输管道内环缝自动焊设备及工艺研究
12.
Methods of ultrasonic inspection and result classification of circumferential butt welds in steel pipes and tubes
GB/T15830-1995钢制管道对接环焊缝超声波探伤方法和检验结果的分级
13.
The possible girth weld match procedure for the pipeline is discussed too.
最后综合各种因素分析了西气东输管道应采用的环焊缝匹配工艺。
14.
Research of Transient Liquid Phase Joining Machine for Oil-pipeline Welding;
管道的瞬时液相扩散焊（TLP）焊机研究
15.
All position pipe welding device for remote welding
用于遥控焊接的管道全位置焊接装置
16.
Application of all-position activate welding in pipeline
A-TIG焊在核电管道全位置焊接中的应用
17.
horizontal rolled position
转动横向焊位置(指管子环形接头横向焊
18.
horizontal fixed position
固定横向焊位置(指管子环形接头横向焊