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关注：1
2013-05-23 12:21
求翻译：混凝土材料声发射性能的研究与应用是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
混凝土材料声发射性能的研究与应用
问题补充： |
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2013-05-23 12:21:38
Acoustic emission properties of concrete materials research and application
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2013-05-23 12:23:18
Concrete materials research and application of sound Launch performance
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2013-05-23 12:24:58
Concrete material sound launch performance research and application
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2013-05-23 12:26:38
Research and application of acoustic emission properties of concrete material
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2013-05-23 12:28:18
Acoustic emission properties of concrete materials research and application
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