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高台阶爆破在高度远大于正常开采高度的台阶上进行的深孔爆破。高台阶爆破旨在提高钻机的纯作业率和钻孔的单位落矿量，提高炸药的能量利用率以及改善采剥过程的结构参数〈主要是提高工作帮坡坡角〉，以便取得最好的开采经济效果
expl. high bench blasting
高台阶爆破
: 3 phrases in 1 subject
Explosives and Explosive Ordnance Disposal3

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