Furthermore, the paper also describes the charge shapes, the differential time and the guide holestemming.
对药包形态、微差时间、导硐堵塞也作了描述。
2
Three dimensional finite element computing model is established and the effect of stemming length to deep hole bench blasting is studied by three dimensional finite element method.
采用三维有限元数值分析法，通过建立三维有限元计算模型，分析堵塞长度对堵塞区有效应力场的影响。
3
Simulation on effect of stemming length to deep hole bench blasting;