Open-pit mining follows the same sequence of operations as underground mining: drilling, blasting, and loading and removing waste and ore.
露天采矿遵循与地下采矿相同的作业顺序：钻孔、爆破、装载并运走废料和矿石。
Open-pit mining follows the same sequence of oprations as underground mining: drilling, blasting, and loading and removing waste and ore.
露天采矿遵循与地下采矿相同的作业顺序：钻孔、爆破、装载并运走废料和矿石。
The results of the studies on the blasting excavation sequence and excavation options for the main carven system on the right bank of Three Gorges can be taken for reference by relevant units.
三峡右岸地下电站主厂房系统爆破开挖程序及开挖方法的研究成果，可供有关单位参考。
In addition, the blasting sequence, safety precautions and blasting results were presented.
此外还介绍了起爆顺序、安全防护措施及爆破结果。
The results of the studies on the blasting excavation sequence and excavation options for the main carven system on the right bank of Three Gorges can be taken for reference by relevant u...
三峡右岸地下电站主厂房系统爆破开挖程序及开挖方法的研究成果，可供有关单位参考。
Practice shows that adopting methods such as decreasing boring parameter, changing structure of explosive setting and sequence of initiation, etc. can improve blasting effect;
实践证明，采用减小炮孔参数，改变装药结构，变化起爆顺序等方法，均可提高爆破效果；
Practice shows that adopting methods such as decreasing boring parameter, changing structure of explosive setting and sequence of initiation, etc. can improve blasting effect;
实践证明，采用减小炮孔参数，改变装药结构，变化起爆顺序等方法，均可提高爆破效果；
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