deep inclined thick coal seam 急倾斜厚煤层
steep-inclined thick coal seam 急倾斜厚煤层
gently inclined thick coal seam 缓倾斜厚煤层
severe inclined thick coal seam 急倾斜特厚煤层
The selection process and approach on mining technology and equipment in gently inclined and inclined thick coal seam are discussed.
论述了缓倾斜、倾斜厚煤层采煤工艺及设备方案的合理选择过程、方法。
The feasibility of the protective coal pillar mining in the artificial inclined steep drift in the thick (ultra thick) coal seam of a large slope is discussed.
论证了急倾斜厚(特厚)煤层伪斜上山保护煤柱回收的可行性。
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