It will be a short time for Nanfen open-pit iron mine to mine in the third stage. The mine should be engaged on deep part mining design at once.
南芬铁矿目前正在进行的三期境界开采的服务年限已经不长了，矿山需要马上着手进行下期深部开采设计。
The basic principle and design method on the hole by hole blasting technique are described, and the practical result of this technology in domestic open-pit mine are introduced.
介绍逐孔起爆技术的基本原理、设计方法以及逐孔起爆技术在露天矿山生产中的良好效果。
The paper mainly deals with the analysis and design of coal sales management system of YuanBaoShan open pit coal mine.
本文主要对元宝山露天煤矿煤炭销售管理系统进行了分析及设计。
The choice of mining technology for open pit mine is an important part of open pit design, which will directly affect the economic benefits of mine.
露天矿开采工艺的选择是露天矿设计的重要环节，直接影响到露天矿的经济效益。
The choice of mining technology for open pit mine is an important part of open pit design, which will directly affect the economic benefits of mine.
露天矿开采工艺的选择是露天矿设计的重要环节，直接影响到露天矿的经济效益。
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