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关注：1
2013-05-23 12:21
求翻译：它主要研究矿井开拓部署、采区巷道布置、回采工艺及工程设计的原理和方法是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
它主要研究矿井开拓部署、采区巷道布置、回采工艺及工程设计的原理和方法
问题补充： |
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2013-05-23 12:21:38
It is mainly to study the mine to open up the deployment of Roadway layout, the recovery process and engineering design principles and methods
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2013-05-23 12:23:18
It is primarily research mine galleries explore deployment, parklands, picking techniques and engineering principles and methods of the
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2013-05-23 12:24:58
It mainly studies the mine pit development deployment, picks the area tunnel arrangement, returns to picks the craft and the engineering design principle and the method
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2013-05-23 12:26:38
Main shaft development deployment, research on roadway layout in the mining area, mining technology and engineering principles and methods
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2013-05-23 12:28:18
正在翻译，请等待...
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