【摘要】 煤炭资源是不可再生的,是煤矿赖以存在的基础。铁生沟煤矿历来重视煤矿资源回收率,经过多年的开采实践,已经找出造成煤炭损失的各种因素,并据此总结出提高资源回收率的途径。更多还原

【Abstract】 Coal resource isn’t regenerating resource.It’s necessary condition for existence of coal mine.Tieshenggou Coal Mine usually pays great attention to the recovery rate of coal resource.Through many years mining practice,all factors that make coal lose are already found out.The way of raising the recovery rate of coal resource is summed up.更多还原