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.
采用两种过渡层方法，使用研制的过渡层焊接材料，结合强制成形电弧焊工艺进行了高锰钢辙叉与钢轨双过渡层对接焊试验。
By two double-mediate layer method, using developed welding materials and technology of forced arc molding, butt joining tests of high manganese steel with rail steel are completed.
然后主要从双丝或多丝电弧焊工艺和双焊炬组合焊接工艺两个大的方面着重介绍了纵列式熔化极气体保护焊、等离子弧-熔化极气体保护焊和双电极熔化极气体保护焊等高速弧焊工艺。
Then, high-speed arc welding processes are introduced, such as tandem GMAW, PAW-GMAW and DE-GMAW, based on two categories:twin or more wires arc welding process and two-torch combined welding process.
前言：根据“锅炉压力容器焊工考试规则”规定， 对接缝手工电弧焊的考试试板必须采用单面焊双面成形工艺完成。
As stipulated by"the testing regulation of container of pressure of boiler to welder", the prototype of arc welding to the joined slit must be completed through the crafts of groove by bevelling.
我是电焊工，从事手工电弧焊和二氧化碳气体保护焊工作，通过…
I am, electric welders engaged in manual arc welding and carbon dioxide welding work, through these years of electric welding work my technology …
我是电焊工，从事手工电弧焊和二氧化碳气体保护焊工作，通过…
I am, electric welders engaged in manual arc welding and carbon dioxide welding work, through these years of electric welding work my technology …
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