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楼主: 红豆
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[讨论] ASME VIII-1 UG36(c)(3) DN80的管子开孔补强 |
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发表于 2013-8-20 08:17:42
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发表于 2013-9-1 10:57:23
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发表于 2013-10-20 15:48:03
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发表于 2013-10-20 21:40:00
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发表于 2013-10-21 14:59:50
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