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词汇 shorthole shrinkage stoping
释义 shorthole shrinkage stoping
基本例句
浅孔留矿法
As a result,the short hole shrinkage method with flat bottom structure was employed to mine the stope firstly,then stoping ore pillar by 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。
The feasibility of which short-hole shrinkage method is used for mining of low-grade and submarginal ores in Huanren Mine is demonstrated in this paper.论证了采用浅孔留矿法对桓仁矿北岔区的低品位矿及表外矿进行综合回收的可行性。
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