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QUY是什么意思?为什么国产的履带起重机的型号都以QUY为开头? |
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发表于 2007-10-20 08:52
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发表于 2007-12-12 13:20
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发表于 2008-11-6 08:27
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非常正确
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发表于 2008-11-17 20:01
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SCC
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发表于 2009-1-17 14:06
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