地下开采时厚度1.3m~3.5m的煤层;露天开采时厚度3.5m~10m的煤层。
... medium hard coal seam 中硬煤层 medium-thick seam 中厚煤层 medium-steep seam 中倾斜矿层 ...
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... 中国滑石粉 Chinese talc powder 中厚煤层 medium-thickness coal seam 中厚煤层采煤法 medium-thickness seam mining method ...
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..._论文_学海网 关键词:大倾角,中厚煤层,综采工作面,设备配套 [gap=2142]Keywords:large dip angle,medium-thickness seam,fully—mechanized coal mining working face,fully—mechanized equipments fitting ...
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... thin coal seam 薄煤层 middle thick coal seam 中厚煤层 thick coal seam 厚煤层 ...
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介绍了中厚煤层回采工艺的具体施工方法和效果,同时介绍了工作面支护参数的计算。
The concrete construction methods and effects of mining technology in the middle thick coal seam are introduced.
在大倾角中厚煤层推行走向短壁采煤方法,使用单体液压支柱,取得较好的技术经济效果。
The article introduces the shortwall mining method along strike in medium-thickness seam with great dip angle, which is based on individual hydraulic prop and has brought great economic effect.
介绍了急倾斜中厚煤层回采工艺的具体计算数据,以及在实际施工中的应用效果;同时介绍了采后沿空留巷的施工方法。
The specific calculated data of mining technology in the steeply pitching medium thick coal seam and it's application effect in real construction are introduced.
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