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zangchao321新虫 (小有名气)
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[求助]
求助关于金属管壁热应力的计算公式的问题已有1人参与
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peterflyer
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2楼2014-05-19 18:22:41
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peterflyer
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3楼2014-05-19 18:25:33
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zangchao321新虫 (小有名气)
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4楼2014-05-20 16:21:49
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peterflyer
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5楼2014-05-20 20:16:56
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zangchao321新虫 (小有名气)
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6楼2014-05-21 09:21:54
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peterflyer
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7楼2014-05-21 13:47:30
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