shotholes

基本解释

First shotholes are drilled into the ore-bearing rock.
这意味着这个工作要分步骤进行。
Based on the theory of fracture mechanics,the mechanism of crack-forming among shotholes in the directional split of rock by controlled blasting is expunded.
文章依据断裂力学理论,论述岩石定向断裂控制爆破炮孔间贯通裂纹形成的原理;
Shotholes are prepared by powerful drills. The drills may be mounted on mobile platforms, where an unusually thick seam is being worked in two benches; the bulldozer clearing the upper one gives some idea of the height.
炮眼预先用功率强大的凿岩机钻好。凿岩机安装在可移动工作平台上--较厚的矿层都分为两个台阶开采，推土机清理上层台阶形成一定的高度。
unbalanced shotholes
不平衡破的炮眼
multiple shotholes
多井爆炸