[名词解释题,4分] 煤田:
[名词解释题,4分] 采区:
[名词解释题,4分] 井田开拓方式:
[名词解释题,4分] 沿空掘巷:
[名词解释题,4分] 回采巷道:
[名词解释题,4分] 石门:
[名词解释题,4分] 准备巷道:
[名词解释题,4分] 炮采工艺:
[名词解释题,4分] 井底车场:
[名词解释题,4分] 简述综采工艺
[名词解释题,4分] 阶段:
[名词解释题,4分] 开拓方式:
[名词解释题,4分] 采煤方法:
[名词解释题,4分] 井工开采:
[名词解释题,4分] 矿井生产能力: