114797| 329
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孔粗糙度要求6.3,我们现在达不到! |
发表于 2010-6-30 21:00:32
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发表于 2010-6-30 21:28:10
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发表于 2010-6-30 22:00:45
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发表于 2010-6-30 22:06:14
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点评
确实大材小用啊
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