mining method for gently dipping medium thick orebody【矿】
矿体几何学
orebody geometry【矿】
暂无补充释义。
orebody geometry【矿】
暂无补充释义。
mining method for gently dipping medium thick orebody【矿】
inclined thick orebody mining method【矿】
mining method for gently dipping thick orebody【矿】
orebody
mining method for dipping medium thick orebody【矿】