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關注：1
2013-05-23 12:21
求翻譯：礦井的采煤方法主要為傾斜長壁大采高一次采全厚放頂煤開采。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
礦井的采煤方法主要為傾斜長壁大采高一次采全厚放頂煤開采。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 the coal mining method is to tilt the long wall mining height and mining of full-thick top coal caving. Mine development plus dark inclined to open up for the vertical shaft single level.
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2013-05-23 12:23:18
Coal mines in major ways to tilt the unit high long wall unit a full thickness on top coal mining. lijin mines opened up to single level open up the outline.
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2013-05-23 12:24:58
The mine pit mining coal method mainly for inclines the long wall to pick greatly high one time picks entire puts thick goes against coal mining.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
Mining method in mine main inclined longwall mining top coal caving mining in high a full thickness. 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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