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关注：1
2013-05-23 12:21
求翻译：研究资料表明, 隧道开挖过程中安全事故的发是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
研究资料表明, 隧道开挖过程中安全事故的发
问题补充： |
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2013-05-23 12:21:38
The research data shows that safety incidents during tunnel excavation
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2013-05-23 12:23:18
Research data shows that in tunneling process security incidents in the
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2013-05-23 12:24:58
The research material indicated, in tunnel excavation process security accident sending
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2013-05-23 12:26:38
Research data show that accidents caused by tunneling
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2013-05-23 12:28:18
正在翻译，请等待...
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