With an example of vein 3 in Jiudian gold deposit, Pingdu, Shandong Province, the simpler procedures and better effects of this method are explained.
以山东省平度地区旧店金矿3号脉的实例，说明该方法的实施过程和应用效果。
Based on the actuality of underground mining system in Jiudian gold mine, the mined-out areas were used as assistant air exit and it achieved good result.
根据金山店铁矿张福山矿区平行矿体的赋存特点，采用物理相似模拟方法，研究和预测了矿体地下开采过程中地表的沉降和位移规律。
This thesis explains the results of a series of tests done to explore the feasibility of using the Tuff excavated in Jiudian as active admixture in Cement industry.
本文阐明了九店凝灰岩用作水泥工业活性混合材料的可行性。
This thesis explains the results of a series of tests done to explore the feasibility of using the Tuff excavated in Jiudian as active admixture in Cement industry.
本文阐明了九店凝灰岩用作水泥工业活性混合材料的可行性。
应用推荐