gob flushing

用法例句

The Present Applications and Development Prospects of Filling Method of Mined-out Area

采空区充填法的应用现状与发展前景

Experimental Study on the Filling Reinforcement Techniques in Gypsum Mined-out Area

石膏矿采空区充填加固技术的试验研究

Experimental Study on Goaf Filling with Flyash by Air Delivery;

采空区粉煤灰气力输送充填试验研究

Research on grouting filling material experiment in the goaf under highway

公路下采空区注浆充填材料试验研究

Study on the Gas Migration in the Goaf Filling of Full-mechanized Mining Working Face

综采工作面充填开采采空区瓦斯运移研究

Progress of Tailings Backfill Technology in Metal Mines

金属矿山尾矿充填采空区技术的发展概况

Application of the grouting filling technology in goaf on fully mechanized top coal caving mining face through the large coalpit

综放工作面过小窑采空区注浆充填技术应用

Experimental study on clay solidification and filling in Shaodong gypsum mined-out area

邵东石膏矿采空区粘土固化充填试验研究

MINING PLAN AT DEPTH OF BAGUAMIAO GOLD DEPOSIT IN SHAANXI PROVINCE--Discussion on filling treatment of goaf of mullock heaps and tailings by means of open-stope method

陕西八卦庙金矿床深部开采方案——空场采矿法废石尾砂空区充填处理的讨论

The Investigation of Underground Reservoir Construction in the Excess Exploited Funnel Area

超采漏斗区漏斗填充式地下水库研究

Analysis of filling effect and filling ratio of backfill mining in longwall face

长壁工作面充填开采的充填比与充填效应分析

Application of lake mud stowing technology in the reclamation of subsided areas caused by coal mining

湖泥充填技术在采煤塌陷区复垦中的应用

The feasibility investigation of underground reservoir construction in the excess exploited funnel area

超采漏斗区漏斗填充式地下水库的可行性研究

The Ore Mining Technique Study of Panel Mechanization Cut-and-Fill Stoping Method Used in Deep Mining of Tonglushan Mine;

铜绿山深部开采盘区机械化分层充填法的回采工艺研究

rill cut and fill method

倾斜分层充填采煤法

square set and back filling method

方框支架充填采矿法

horizontal cut and fill stoping

水平分层充填采矿法

flat back cut and fill method

水平分层充填开采法