The turnover structure is a round arc structure.
该翻转结构是圆弧面结构。
The arc electrode can be designed into multiple arc structure to save the production of transparent electrode for lowering the production cost.
并且将弧形电极设计成多弧形结构可省去透明电极的制作，降低生产成本。
In order to solve Audi car muffler welding problems, a MIG automatic welding process and equipment arc developed which is suitable for the material, structure and joint type of the muffler.
针对奥迪轿车消音器的材料、结构及接头形式，研制了适用于消音器焊接的熔化极气体保护自动焊设备，并对焊接工艺进行了研究。
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