直缝焊接钢管的英语简写-英语专业叫法表示什么 ... 气体保护电弧焊 CO2保护焊(CO2 shielded arc welding) 熔化焊 （GMAW—gas metal arc welding） 激光焊(LW—laster welding) ...
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由于钛合金的活性强，熔化焊时需要用惰性气体或真空进行保护。
Because of the high activeness of the titanium alloys, the inert gases or vacuum shielding is needed in fusion welding.
上体左、右半壳直焊缝视产品结构不同，分别采用对接熔化焊和搭接缝焊工艺。
According to the different product structure, butt fusion welding process and lap seam welding process are used to respectively weld left and right half shell of upper body.
电子束焊接具有显著的小孔效应，这一特点决定着电子束焊接过程和普通熔化焊不同，并对其焊接应力和变形产生重要影响。
Electron beam welding has significant keyhole effect, it induces the electron beam welding different from general melting, and also important influence on its welding stresses and distortion.
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