3) Down-the-hole shrinkage-cavity working subsequently backfilling
浅孔留矿-空场嗣后充填
4) Open stoping with delayed filling in artificial pillar panel
人工矿柱盘区空场嗣后充填采矿法
5) Shallow hole room-and-pillar mining system
浅孔房柱采矿法
6) backfill mining method of open stope in one time
空场嗣后一次充填采矿法
补充资料:壁式充填采矿法
壁式充填采矿法
long -wall fill sloping
匕}s卜}ehongt,on ColkU0ng十0,二,,._、譬豪箕蹂致委采掇蓄骂鳖翠赛墓置分条充填采矿法)·(孙凯年)
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条