ISSN 1005-2518
CN 62-1112/TF
下向进路假底胶结充填采矿法在焦家金矿的应用
杨纪光
Application of Underhand Drift Bottom Cementing Back -filling Method in Jiaojia Gold Mine
YANG Jiguang
J4 . 2011, (5): 33 -36 .