The results measured have great importance to the design of deep mining.
测量结果对深部采矿设计具有重要指导意义。
In accordance with the orebody shapes of Dongdashan iron mine and the adopted mining method, the ways of design and optimization for medium and deep caving parameters were given.
依据东大山铁矿的矿体形态及所采用的采矿方法，浅析了中深孔崩矿参数的设计与优化途径。
So the paper not only seems useful to deep-sea cobalt crust mining, but also offers a new design method and powerful tool for traditional spiral drum cutting head's parameters designing.
因此，本论文不仅对开发大洋钴结壳等矿产资源具有十分重要的意义，同时它也为传统的螺旋滚筒式采矿头参数设计提供了一种新的设计方法和有力的手段。
A theoretical analytical method and a designing basis for the reasonable design of the deep ocean mining system are provided.
为采矿系统的合理设计提供了理论分析方法和设计依据。
The implementation of the optimized design scheme has provided an effective way for the ventilation and temperature lowering in the deep mining in China.
方案的实施为国内深井开采通风降温技术提出了一条比较有效的途径。
The dynamic analysis for the deep- ocean mining system can provide theoretical explanation and technical reference for the design and operation of actual mining system.
对深海采矿系统进行动力学分析，可以为系统的研制和开采（试验）作业提供理论依据和技术参考。
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。
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。
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