摘要
为充分利用矿产资源，延长矿山服务年限，对公路及地表房屋留设的保安矿柱进行房柱法开采设计。
To make full use of resources,and increase service life of the mine,protectiong pillars tained for highway and buildings on the ground are designed to be mined with room-pillar mining method ,and measares to recovery the resources under the condition ensuring ground safety are discussed.
出处
《化工矿物与加工》
CAS
1999年第6期14-17,共4页
Industrial Minerals & Processing
