shotholes

基本解釋

First shotholes are drilled into the ore-bearing rock.
這意味著這個(gè)工作要分步驟進(jìn)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.
文章依據(jù)斷裂力學(xué)理論,論述巖石定曏斷裂控制爆破砲孔間貫通裂紋形成的原理;
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.
砲眼預(yù)先用功率強(qiáng)大的鑿巖機(jī)鑽好。鑿巖機(jī)安裝在可移動(dòng)工作平臺(tái)上--較厚的鑛層都分爲(wèi)兩個(gè)臺(tái)堦開採，推土機(jī)清理上層臺(tái)堦形成一定的高度。
unbalanced shotholes
不平衡破的砲眼
multiple shotholes
多井爆炸