冒落线;
Coal spontaneous combustion prevention and control technology for coal mining terminal line of overlong fully mechanized top coal caving mining face
超长综放工作面终采线处煤炭自燃防治技术
There is a certain angle between caving line and coal seam strike.
垮落线与煤层走向是一定角度。
The removal speed of the fully-mechanized coal face with topped caving ( FCFTC) can be increased by pre-excavating finishing cut on terminal mining line.
在停采线位置预掘收作眼,可大幅度提高综放工作面搬迁速度。
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