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1 自耗电极气体保护金属焊接自耗电极气体保护金属焊接(以下简称GMAW)是我们经常使用的重要焊接方法之一。这种焊接方法的可靠性在很大程度上依赖于焊口的微结构及整体几何性质。焊口
1 consumable electrode gas protection metal consumable electrode gas protection metal welding (hereinafter referred to GMAW) is one of the important welding methods we often use. The reliability of this method of welding depends very much on the microstructure and overall geometry of the weld. Weld