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。
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。
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。
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