Schutzgasschweißen (n)

inert arc welding (n)

protective gas welding (n)

shielded welding (n)

shielded-arc welding (n)

气体保护焊 (n)

soldadura a gas protector (n)

soldadura de arco inerte (n)

soldadura de arco protegida (n)

soldadura protegida (n)