| 释义 |
ore pillar
基本例句
矿柱
Ore pillars are fasic units forming this deposit,the occurrence of which are coincident with the two sets of structure lines.矿柱是组成该类矿床的基本单元，其产状与两组构造的交线产状基本一致。
As a result,the short hole shrinkage method with flat bottom structure was employed to mine the stope firstly,then stopingore pillarby medium length hole caving method.后沟金矿采用平底结构浅孔留矿法先采矿房，后用中深孔崩落法回采矿柱，经两年多的生产实践，取得较好的技术经济指标。 |