试验结果表明，螺母环形凸焊工艺优于电弧焊工艺。
The experimental results show that the technology of nut circular projection welding is superior to that of arc welding.
本文主要介绍同轴式水下局部干法TIG电弧焊工艺及装置。
In this paper, local dry TIG underwater welding technology and device with coaxial vision way have been studied.
前言： 采用焊条电弧焊工艺方法，选用C HR322堆焊焊条在Q235钢基体上以不同的焊接电流进行了堆焊试验。
Surfacing process test is made on Q235 steel substrate by shielded metal arc welding process using electrode CHR322 at different welding current condition.
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