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關注：1
2013-05-23 12:21
求翻譯：礦井開拓方式為立井單水平加暗斜井開拓是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
礦井開拓方式為立井單水平加暗斜井開拓
問題補充： |
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2013-05-23 12:21:38
Mine to open up the dark inclined to open up for the vertical shaft single-level and
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2013-05-23 12:23:18
lijin mines opened up to single level open up the outline
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2013-05-23 12:24:58
The mine pit development way adds the inside slope development for the vertical shaft single level
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2013-05-23 12:26:38
Mine development method for mine shaft levels plus dark inclined shaft development
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2013-05-23 12:28:18
正在翻譯，請等待...
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