gently inclined coal seam

  • 释义

    缓倾斜煤层

数据更新时间:2026-05-28 13:38:05
1、

model test two-stage underground coal gasification in counter directions with gently inclined coal seam

缓倾斜煤层反向两阶段煤炭地下气化模型实验

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2、

It is pointed out that the law of main roof beak in top caving in steep and thick seam initially occur at the middle of exposed main roof surface and expand along the face advancing direction which is different from it in gently inclined coal seam.

指出急斜特厚煤层放顶煤开采顶板破断不同于缓倾斜煤层顶板破坏规律,破坏首先在顶板裸露面中部开始,沿工作面推进方向发展。

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