基于炮孔布局的爆区边界线自动采样及坡顶底线自动更新方法
陈鑫
Automatic Sampling Method of Blasting Boundary Lines and Automatic Upda-ting Method of Bench Top and Bottom Lines Based on Blasting Hole Layout
Xin CHEN
图6
方形布孔(a)和梅花形布孔(b)时
α
的取值范围
Fig.6
α
?
value range of square style(a) and quincuncial style(b)