blast-hole

基本解释

The drilling parameters of three-cone blast-hole drill are analyzed with two mathematical models.
在实验的基础上，利用两种数学模型对牙轮钻机的实测参数进行分析。
The quantity of explosives and the blast-hole spacing are dependent upon the type and structure of the rock and the diameter and depth of the blast holes.
用药量和炮眼间距取决于岩石的范例和布局以及炮眼的直径和深度。
The action mechanism and movement process of blast-hole stemming were analyzed, and the gas pressure variation under different dynamite installation structures were analyzed.
首先分析了炮孔堵塞作用机理及堵塞物的整体运动，分析了在不同装药结构条件下的爆生气体压力的变化规律。