2) capability of top coal caving
顶煤可放性
1.
Application of AHP in determining weight of factors of capability of top coal caving;
层次分析法在确定顶煤可放性各因素权重中的应用
3) degree of difficulty of top coal caving
顶煤可放性
1.
Model and its application on the evaluation of degree of difficulty of top coal caving in steep seam;
急倾斜煤层顶煤可放性评价模型及应用
4) classification of top-coal
顶煤分类
5) factors of roof coal caving rate
影响顶煤可放性因素
补充资料:综采放顶煤
综采放顶煤:厚煤层煤炭开采技术之一。把原来分层开采的煤炭,一次采完。方法是,在煤层底部按传统方法开采,使上面的煤炭在矿压的作用下,自动落下来。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条