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关注：1
2013-05-23 12:21
求翻译：围岩运动规律研究是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
围岩运动规律研究
问题补充： |
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2013-05-23 12:21:38
Jiang Jia Wan mine hard thin seam mechanized mining technology and
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2013-05-23 12:23:18
He is a Bay Coal Mine two hard thin coal mining technology and
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2013-05-23 12:24:58
Jiang Jiawan the coal mine two hard thin coal bed syntheses pick the technology and
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2013-05-23 12:26:38
Jiangjiawan mine two hard thin coal seam fully mechanized coal mining technology and
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2013-05-23 12:28:18
正在翻译，请等待...
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