点焊
spot［point］welding◇搭接［用盖板对接］点焊焊缝*，单面点焊indirect welding，电弧点焊are-spot welding，电极强冷却点焊zero welding，惰性气体保护点焊*，换向控制点焊*，加搭板对接点焊bridge welding，加小直径圆搭板的点焊(用于厚板)button welding，钳式点焊焊枪bar welder，手动焊钳点焊poke welding，双面点焊*，围绕铸核的点焊区*，压薄点焊mash spot welding，圆搭板点焊*，自动点焊*
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