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《近年来齿轮测量仪器的发展》谢华锟 |
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发表于 2009-9-20 21:47
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比总设计师还矮半头,潘长江说过。 浓缩的都是精华 !
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发表于 2011-6-1 14:07
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发表于 2013-6-27 15:32
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