welding of down-lead 引线焊接
To ensure the normal running of the screen cleaner, more reasonable technology on installing and welding the lead rail were adopted, and anticorrosion treatment of the lead rail was carried out.
对导轨的安装和焊接采用了合理的工艺，还对导轨进行了防腐处理，从而保证了清污机的正常运行。
The dynamic stress-strain and welding residual stress during welding are the significant factors which lead to welded cracking and debasement of the joint properties.
在焊接过程中产生的动态应力应变及随后形成的残余应力，是导致焊接裂纹和接头性能下降的重要因素。
The achievement is in the lead of arc welding automation in the world.
研究成果在国内外弧焊过程自动化方面处于领先地位。
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