9640| 20
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[求助] 滚齿机上的螺栓,本应用45钢,错用了T12钢,工艺沿用45钢的,会有什么结果?? |
发表于 2009-12-20 19:56:22
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发表于 2009-12-20 20:11:47
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发表于 2009-12-21 10:26:08
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发表于 2009-12-21 16:15:38
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发表于 2009-12-22 22:55:56
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发表于 2009-12-23 12:58:28
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