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。
This paper analyses problems concerning the conventional continuous loading structure in open mining deep borehole blasting.
本文分析了露天矿深孔爆破长期沿用的连续装药结构存在的问题。
Controlled slope wall blasting plays key role in open pit mining.
边坡控制爆破在露天矿山起着至关重要的作用。
In step long-hole blasting in gently inclined open-mine, which mining along slope direction from top to bottom, the press from next step result great difficult in blasting work.
张店钢铁总厂湖田石矿为缓倾斜露天矿，在由上而下顺倾向采矿的缓倾斜台阶深孔爆破中，下一台阶对爆区有夹制作用，给爆破工作带来很大难度。
For mining pits, especially those open-pit mines where water accumulation is serious, it is difficult to achieve ideal blasting effect in blasting-drilling by general blast methods.
对于采场尤其是爆破钻孔积水严重的露天矿山，一般的爆破方法难以取得理想的爆破效果。
During open coal mining, short-distance deep-hole blasting brings tremor to nearby constructions.
在露天煤矿开采中，近距离的深孔爆破对于邻近单位建筑物会产生震动影响。
Flying rock accident accounts for a great ratio of blasting accidents in open stone pits, which poses serious threat to safe production in mining area.
在诸多露天采场爆破事故中，飞石事故占很大的比率，对矿区的安全生产构成了严重威胁。
CTQ-Z120Y Crawler hydraulic drilling rig is mainly suitable for rock blasting hole drilling in open mining, water conservancy, power plants, roads ect.
CTQ - Z 120y型履带式液压钻机主要适用于露天矿山开采，水利，电站，筑路等石方爆破孔凿岩。
CTQ-Z120Y Crawler hydraulic drilling rig is mainly suitable for rock blasting hole drilling in open mining, water conservancy, power plants, roads ect.
CTQ - Z 120y型履带式液压钻机主要适用于露天矿山开采，水利，电站，筑路等石方爆破孔凿岩。
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