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关注:1
2013-05-23 12:21
求翻译:春秋战国时期,我国人民创造的铸铁柔化处理技术,比欧洲早两千年以上是什么意思?![]() ![]() 春秋战国时期,我国人民创造的铸铁柔化处理技术,比欧洲早两千年以上
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2013-05-23 12:21:38
Spring and Autumn Period, the creation of our people cast soft processing techniques, more than two thousand years earlier than in Europe
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2013-05-23 12:23:18
Spring and Autumn and the Warring States Period, the country created by the people cast iron soft processing technology earlier than in Europe, more than 2000
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2013-05-23 12:24:58
The Spring and Autumn Period Warring States time, our country people create the cast iron softens the processing technology, compares above the European early two millenniums
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2013-05-23 12:26:38
Spring and Autumn period and warring States period, our people create softening treatment technology of cast iron, more than 2000 years earlier than in Europe
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2013-05-23 12:28:18
Spring and Autumn period and warring States period, our people create softening treatment technology of cast iron, more than 2000 years earlier than in Europe
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