... 空场采矿法 open stope method; openstopemethod 矿块采矿法 block mining 留矿采矿法 shrinkage stoping method ...
基于1个网页-相关网页
block mining system 分区开采法
block k mining 分块开采
block cut mining 块段开采
Block caving mining 无底柱崩落采矿法
mining block design 采区设计
block caving mining method 自然崩落采矿法
standby mining block 后备采区
mining block optimization 采区优化
mining-right block 矿权区块
Earthjustice, a nonprofit environmental law firm, is suing to block the lease of state-owned land in Otter Creek, Mont., to Arch Coal for mining to serve demand in Asia and elsewhere.
地球公正，一个非盈利的环保律师事务所，正在请求阻止租赁蒙大拿奥特·克里克的国有土地和劝阻阿奇煤炭公司开采煤矿用于满足亚洲和其它地区的需求。
The North China Block is the distributive province of the important iron ore reserve, the main-iron-ore-mining region, and is also the important district of the iron and steel industry in China.
华北陆块是我国重要铁矿资源的分布区，铁矿石主要开采区，也是我国钢铁工业的重要分布区。
According to the theory and method of particle flow code in two dimensions (PFC2D), the block caving law of natural caving mining method was investigated.
以自然崩落采矿法为研究对象，利用二维颗粒流数值模拟(PFC2D)的原理和方法，研究了自然崩落法矿体崩落规律。
应用推荐