摘要
煤炭资源作为五大化石能源之一,由于开采年限久远,加之回采工艺的落后,致使大量煤炭资源滞留地下,降低了矿井的回收率,从而缩短了矿井的服务年限。
As one of the five major fossil fuels, coal resources, due to the fixed number of years of the mining and due to the backward extraction process, a large number of coal resources is trapped underground, reducing the recovery rate of coal mine, and shortening the service life of the mine.
出处
《山东煤炭科技》
2017年第11期175-176,181,共3页
Shandong Coal Science and Technology
关键词
回收率
延长
服务年限
recovery rate prolong service life
