In order to increase productivity , for big size tank welding , saf propose plasma plus tig double torch solutions , welding speed is 30 % to 50 % higher than single plasma torch welding 为增加焊接生产的效率，对于大尺寸工件的环缝何纵缝焊接， saf采用等离子tig双枪焊接工艺，焊接速度比单等离子增加30至50 。
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