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关注：1
2013-05-23 12:21
求翻译：本设计还研究了新桥煤矿瓦斯灾害的防治、水灾防治、顶板灾害的防治。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
本设计还研究了新桥煤矿瓦斯灾害的防治、水灾防治、顶板灾害的防治。
问题补充： |
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2013-05-23 12:21:38
This design also studied the Xinqiao coal mine gas disaster prevention, flood control, prevention and treatment of the roof disasters.
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2013-05-23 12:23:18
This design still studied lately the bridge coal mine gas the prevention and cure,flood disaster of the disaster the prevention and cure,a plank disaster of prevention and cure.
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2013-05-23 12:24:58
This design has also studied new bridge coal mine gas disaster preventing and controlling, flood preventing and controlling, roof disaster preventing and controlling.
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2013-05-23 12:26:38
This design study of Xinqiao coal mine gas disaster prevention, flood prevention, disaster prevention of roof.
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2013-05-23 12:28:18
正在翻译，请等待...
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