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[讨论] ASME SA234标准中材料拉拉强度上限随意改变 |
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发表于 2019-10-16 12:14:15
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发表于 2019-10-16 11:53:14
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发表于 2019-10-14 16:15:59
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发表于 2019-10-14 22:47:17
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发表于 2019-10-15 23:23:16
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发表于 2019-10-16 07:51:44
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