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关注：1
2013-05-23 12:21
求翻译：混凝土结构的研究与应用历史较短是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
混凝土结构的研究与应用历史较短
问题补充： |
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2013-05-23 12:21:38
Concrete structure and application of a relatively short history of research
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2013-05-23 12:23:18
Concrete structure research and application of a relatively short history
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2013-05-23 12:24:58
The side steel pipe concrete structure research and the application history are short
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2013-05-23 12:26:38
Research and application of concrete structure of younger
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2013-05-23 12:28:18
The study and application history of the concrete structure is relatively short
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