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[求助] 单面坡口全熔透焊缝加角焊的探伤方式 |
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发表于 2019-1-19 10:01:27
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发表于 2019-1-19 10:11:49
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发表于 2019-1-19 16:31:51
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发表于 2019-1-20 09:13:55
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发表于 2019-1-20 09:41:46
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