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 ...
基于22个网页-相关网页
... 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 ...
基于12个网页-相关网页
..._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 ...
基于10个网页-相关网页
... thin coal seam 薄煤层 middle thick coal seam 中厚煤层 thick coal seam 厚煤层 ...
基于6个网页-相关网页
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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