sectional filling mining method
sublevel filling mining method
substituting filling mining method
clay smearing and filling method
Downward cemented filling mining
Filling method
充装方式
充填法
填充法
充填采矿法
装料形式
灌注法
充填
补齐方法
High concentration whole-ailing cemented filling method
karstic water filling mining area
large range filling mining
square set and back filling method
upward horizontal slice stoping and filling method