在氩弧焊焊接机建造多次使用。

The TIG welder used for much of the construction.

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此外，在焊接试验的基础上，进一步对双钨极氩弧焊降低电弧压力、减少焊接缺陷的机理进行了分析。

In addition, the mechanism of the T-TIG arc pressure reduction to make the sound weld formation was analyzed.

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金属镍在电渣精炼前需用氩弧焊焊接接长，为保证焊接接头具有足够熔深，需要大参数进行焊接。

Nickel rod needs to be lengthen by argon arc welding before the electroslag refinements, large welding parameters are needed to assure the sufficient penetration.

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