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按焊缝质量检验标准,对外观缺陷及内部探伤都要检验的是二级和()级焊缝。

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2022-02-26 19:32
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焊缝系数为1或设计(标准)要求对焊缝内部进行100%无损探伤检验的,焊缝外观质量()级合格;设计(标准)要求对焊缝内部进行局部无损探伤检验的,焊缝外观质量()级合格。
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三级对接焊缝应按二级焊缝标准进行外观质量检验。
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按焊缝质量检验标准,对外观缺陷及内部探伤都要检验的是二级和()级焊缝。
二、三级焊缝外观质量标准应符合国家标准的规定,三级对接焊缝应按二级焊缝标准进行外观质量检验,检验方法有()。
三级对接焊缝应按二级焊缝标准进行外观质量检验。
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