短語詞組短語swaged welding tip 鍛造焊嘴spot welding tip 點焊電極工作端Anti -blocking agent for welding tip 焊嘴防堵劑tip welding 板嘴焊接;切口堆焊Contact tip welding electrode 發(fā)明名稱lance tip welding device 槍頭焊接裝置 返回 welding tip