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[求助] 把过盈配合的轴用液压装置推出孔,摩擦力怎么算 |
发表于 2011-10-28 11:03:56
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发表于 2011-10-28 18:03:49
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发表于 2011-10-29 00:27:45
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发表于 2011-10-29 00:36:08
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