图解焊接缺陷大全
发布时间:2021-06-06
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发布时间:2021-06-06
图解焊接缺陷大全
图解焊接缺陷大全
图解焊接缺陷大全
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图解焊接缺陷大全
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图解焊接缺陷大全
welld02(Incomplete Root Fusion weld01(High Low、高低)
根部未熔合)