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- In this paper,the structure and construction of the flat bottom of short-hole shrinkage stope with grid fence attached are studied. 本文介绍了浅孔留矿法平底栏栅底部结构及其施工。
- Practice shows that shallow hole shrinkage stoping method greatly decreased mining workload,lessened mining time,and increased mining efficiency. 实践证明,改进后大大减少了采切工程量,缩短了施工时间,提高了生产效率,为同类矿山提供了经验。
- The combination of sublevel stoping and shrinkage stoping is proposed.The inharmoniously demand of ore for concentrator can be met by modulating the mining process. 推荐使用分段空场法和留矿采矿法进行采矿,通过对井下采矿作业的工艺调节,满足选矿厂的不均衡供矿。
- In mining the extremely fractured thin ore body,the separation of waste rock in the conventional shrinkage stoping was replaced by the separation of the rich ore and retaining the lean ore. 对极破碎薄矿体的开采,采用了将常规的留矿法中分选废石改为分选富矿石留贫矿石的采矿方法。
- When extracting steeply-inclined thin orebody near outcrop, there normally exists triangle stopes.Many technological problems occur when extracting such stopes with common method of shrinkage stoping. 摘要急倾斜薄矿体露头附近开采时，常形成三角形不规则采场，采用普通浅孔留矿法回采存在一系列技术问题。
- There has been some shrinkage in our export trade. 我们的出口贸易量已有些减少。
- Study on genesis of agglomerate in short-hole shrinkage stope and countermeasures adopted 浅孔留矿采矿法采场坨矿致因分析及应对措施
- It's best to allow for shrinkage when buying cotton clothes. 买棉布衣服时最好考虑到它们的缩水率。
- Blasting control in shrinkage stoping method 留矿法采矿控制爆破实践
- Application of shrinkage stoping method 留矿采矿法在民采中的应用
- shrinkage stoping with short hole 浅孔留矿法
- shallow-hole shrinkage stoping method 浅孔留矿法
- short-hole shrinkage stoping method 浅孔留矿法
- shrinkage stoping without floor pillar 无底柱留矿法
- This bus stope at Friendship Street. 汽车在友谊路停。
- As a result of shrinkage, the shirt is now too small to wear. 由于洗后缩小，那件衬衫现在小得不能穿了。
- shrinkage stope 留矿采矿工作面,留矿回采工祖,留矿采矿场
- shrinkage stope face 留矿开采法工作面
- The application of shrinkage stoping method in China 浅述留矿采矿法在我国的应用
- This paper introduces the method of slope adjustment of stope face. 文章介绍了回采工作面的调斜方法。
