blasting mining method
英
美
- 崩落法
双语例句
- The relation between ore loss and dilution during drawing in sublevel caving mining is analysedand studied on the hasis of the results from experiments and production.
本文根据实验及生产放矿结果，分析研究了无底柱分段崩落法放矿过程中矿石损失贫化的关系问题。 - Aceording to the diffcrent conditions of mines applied non-sill sublevel caving method,various programmes for application of non-dilution ore drawing mothod are presented.
并根据无底柱分段崩落法矿山的不同情况，提出了各种应用无贫化放矿的实施方案。
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