| 摘要 |
The invention relates to a method and a welding torch for gas tungsten arc welding, wherein an electric arc burns between a non-consumable electrode (110) and a workpiece (151). The interior of the electrode (110) has a cavity (200) through which an electrically conducting filler (210) is fed in the direction (230a) of the workpiece (151), said filler (210) being energized. |
