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焊缝气孔产生的原因是什么?预防措施有哪些?

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焊缝气孔产生的原因是什么?预防措施有哪些?

发布日期:2019-12-22 作者: 点击:

焊缝气孔是指焊接时,熔池中的气体未在金属凝固前逸出,残存于焊缝之中所构成的空穴。河南石材管家婆精选心水资料站厂家告诉你其气体可能是熔池从外界吸收的,也可能是焊接冶金过程中反应生成的。

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管家婆精选心水资料站6.YAQICHUNDUSHIFOUBUXING。

河南石材

管家婆精选心水资料站ER、HANGUANHANFASHENGHANFENGQIKONGDEYUFANGCUOSHI:

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