flat grade mine

AN APPLICATION OF ROCK MECHANICS IN MODERATE DIP OREBODY MINING

巖石力學在緩傾斜礦體開采中的應用

Selection of Mining Methods of Little Declining Ore-body Under Thick-large Quaternary

厚大第四系下緩傾斜礦體采礦方法的選擇

Machinery Solution to Cut Ore Loss in Exploitation of Gently Inclined Ore Body

緩傾斜礦體開采中降低礦石損失的機械解決方法

Improvement of mining method for the orebody of gentle dip and medium thickness

緩傾斜中厚礦體采礦方法的改進實踐

new developments of underoround mining methods For gentle dip and thin orebodies in foreign countries

國外緩傾斜薄礦體采礦方法的新發展

Test research of mining method of gently inclined moderate thick ore-body

緩傾斜中厚金礦體采礦方法試驗研究

A TEST OF THEM MINING METHOD FOR MODERATELY INCLINED THIN OREBODY IN DOUNAN MANGANESE MINE

斗南錳礦緩傾斜薄礦體采礦方法的試驗研究

Research on Mining Method of Thin and Multilayer Ore Bodies That Sloped Slowly of Yunnan Dayao Copper Mine;

云南大姚銅礦多層緩傾斜薄礦體采礦方法研究

Theory and technology on trackless mining of gentle dip multi-strata ores of medium size

緩傾斜中厚礦體機械化采礦理論與技術

A talk about the orientation of the development of mining gentle dip and extra-narrow orebody by resuing-and-backfilling method

淺論緩傾斜極薄礦體削壁充填采礦法發展方向

Study on mining method for the mining of gentle dip orebody of fracture zone type

對緩傾斜破碎帶型礦體開采方法的探討

The Application of the Delaminating All-sided Stoping in Exploitation of Gentle Dip Rich Ore-body

分層全面法在開采緩傾斜富礦體中的應用

Elementary analysis of the current situation and advance in stoping of gentle dip and medium thickness orebody

淺析國內緩傾斜中厚礦體回采現狀及進展

Stability analysis of mined-out area in gently inclined broken discontinuous orebody

緩傾斜破碎不連續礦體采空區穩定性分析

Application of Groove Cutting by Medium-length Hole Blasting in Gently Inclined Cracked Orebody

中深孔排炮拉槽在緩傾斜破碎礦體中的應用

Low Dip Ore-forming Theory of Cryptoexplosive Breccia Deposit and Its Application

隱爆角礫巖型礦床礦體緩傾斜成礦理論及其應用

A new method for the mining of gentle dip and mediun thickness orebody

緩傾斜中厚礦體的一種新的采礦方法——深孔放頂連續回采房柱法

Mining 0ptimizing Study of the Gentle-Dipping and Medium-Thickness Oxide Ore Body of SongShuJiao's Tin Mine of Tin Corporation of YunNan;

云錫松礦緩傾斜中厚氧化礦體采場開采優化研究