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关注：1
2013-05-23 12:21
求翻译：论文以长平矿大采高工作面区段煤柱尺寸留设为具体的研究背景是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
论文以长平矿大采高工作面区段煤柱尺寸留设为具体的研究背景
问题补充： |
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2013-05-23 12:21:38
Papers in the long flat section face mine large pillar mining height is set to stay a specific size of the background
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2013-05-23 12:23:18
Research papers in the highly secluded Long Ping mine coal district paragraph Martin size remain set to specific research background
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2013-05-23 12:24:58
The paper greatly picks the high working surface sector coal column size take the long even ore to remain supposes as the concrete research background
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2013-05-23 12:26:38
Papers in long flat mining face with large mining height coal pillar size design for specific research background
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2013-05-23 12:28:18
正在翻译，请等待...
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