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[求助] ASME材料按NB/T47014做焊评是否做冲击 |
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发表于 2021-8-9 20:10:03
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发表于 2021-8-9 08:03:18
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发表于 2021-8-20 09:33:33
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发表于 2021-8-21 08:06:46
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发表于 2021-8-21 08:46:14
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发表于 2021-8-22 11:50:25
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