前 言.....................................................................................................................................................2引 言....................................................................................................................................................31 采区概况及地质特征........................................................................................................................51.1 采区概况....................................................................................................................................51.2 采区地质特征............................................................................................................................52 采区巷道布置....................................................................................................................................82.1 采区设计生产能力及服务年限................................................................................................82.2 采区巷道布置............................................................................................................................82.3 采区设计工程量及施工工期...................................................................................................113 采煤方法..........................................................................................................................................133.1 采煤方法....................................................................................................................................133.2 回采工艺...................................................................................................................................133.3 采区生产能力计算..................................................................................................................134 采区通风.......................................................................................................................
