【化】 电弧点焊; 电铆焊

Poulsen arc【电】

pre-arc period

arc-extinguishing chamber

minute of arc【数】

influencing the arc by gas blowing device, arc lamp

SAW (submerged arc welding)

electroslag remelting plant (electroslag refining plant) heating by electric arc

maintaining, increasing the flow of arc-extinguishing chamber