1.
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
2.
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
3.
Swing Welding Technology of TIG Root Welding on Heavy Thickness Pipe
厚壁管TIG根焊摇摆手法焊接技术
4.
Application of STT root welding in the second WEPP(West-East Pipeline Project)
STT根焊在西气东输二线管道焊接工程中的应用
5.
Root welding process of low hydrogen electrode in the Second West-East Gas Transmission Pipeline Project
西气东输二线工程中的低氢焊条根焊技术
6.
Occurrence and Prevention of Gas Pores in RMD Root Welding
RMD根焊技术中气孔的产生与预防
7.
Study and application of metal powder-cored wire and RMD technology in all-position root welding of pipeline
金属粉芯焊丝+RMD技术在管道全位置根焊中的研究及应用
8.
Gas Pocket Generation Mechanism and Control Measures During PWT Automatic Outside Root Welding
PWT全自动外根焊气孔产生的机理及控制措施
9.
STT Root Welding Process was Successfully Applied in East Siberia-Pacific Ocean Pipeline Project
STT根焊技术在东西伯利亚—太平洋管道工程中的成功应用
10.
GMAW short-arc tack welds shall not be incorporated into the root pass.
熔化极气体保护焊-短弧点焊焊缝不能与根部焊道合成一体。
11.
Three lead wires are soldered to the anchor terminals.
在固定接线端子上焊有三根导线。
12.
Safety,health and environment protection--basic requirement of modern welding production
安全、健康与环保——现代焊接生产的根本
13.
Study on Wear Resistance of Tillage Stubble Machine Chopper with Flame Powder Spraying and Welding;
根茬还田刀具火焰喷焊耐磨性强化研究
14.
Quantitative Calculation for Depth of Welding Root Defect Tested by Radiographic Method
管道射线检测时焊缝根部缺陷深度的定量计算
15.
Either of two rods through which current flows to form an arc, as in lighting or welding.
碳精棒两根棒的任一根，电流流经该棒形成电弧，如在闪电或焊接时
16.
According to operating conditions of arc welding machines and the meaning of duty cycle, the monitoring system of the welding machines duty cycle with MCU is studied.
根据电弧焊的特点和焊机负载持续率对焊机使用的要求,研究了监控焊机负载持续率的微机系统。
17.
End Connections– choice of flanged or socket ends for piping flexibility.
(3) 连接端口-根据连接管道的情况，可选择法兰或承插焊连接端口。
18.
Organize to supervise and co-ordinate welder qualification tests in accordance with the relevant Work Instruction.
根据相关作业指导进行监督并协调焊工资格考核。