gas tungsten arc welding
气体保护钨极弧焊
钨极气体保护焊
钨极惰性气体保护焊
钨电极惰性气体保护焊接
钨极氩弧焊(TIG焊)
气体保护焊
钨极氩弧焊
钨极氩弧焊接
氩弧焊
氩弧熔敷
tig焊
氩弧熔覆
metal-active gas arc welding
pulse current gas tungsten arc
manual argon tungsten arc welding
manual tungsten arc welding
activating flux TIC welding
activating tungsten inert-gas welding
activating tungsten inert-gas welding with direct current straight polarity mode
activating welding process
alternating current activating tungsten inert-gas welding