摘要
针对地方煤矿的实际情况， 在采煤方法上进行探索， 达到提高煤质， 降低成本的目的。
Aimed at the reality of local mines,this paper inquired into the improving coal mining to get the results of increase in coal qualities and decrease in cost.
出处
《山西煤炭》
1999年第2期61-62,共2页
Shanxi Coal
关键词
厚煤层
分层开采
放顶煤顺序
采煤
thick coal seam
slicing mining
coal drawing sequence
