下列关于MIG/MAG焊接这种结合技术缺点描述正确的是：-知到一分为二答案-简明问答题库

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[多选] 下列关于MIG/MAG焊接这种结合技术缺点描述正确的是：

A．焊接高温会导致工件变形甚至扭曲 B．焊接区域防腐性能降低 C．焊接工作效率低 D．焊接高温导致工件材料强度降低 E．焊接速度比电阻点焊快速

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