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[讨论] ASME A703M铸件拉伸试样选取方式问题 做铸件的进 |
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发表于 2014-11-24 17:43:23
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发表于 2014-11-24 20:28:53
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发表于 2014-11-25 11:31:29
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发表于 2016-12-23 09:11:22
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