blasthole meaning in English

爆破孔
炮眼

Controlling blasthole deflection through directional measurements
炮孔偏斜的定向测量控制
Blasthole logging and supervision of blasthole sampling
记录炮眼数据，并监督炮眼采样工作。
The practice of air interval charging of blasthole at shirengou iron mine
石人沟铁矿的炮孔空气间隔装药实践
Research of the bottom water cusion blasting of blasthole and its application
炮孔底部垫层水介质爆破研究与应用
Analysis assembly fault and kinematics simulation for main reducer of blasthole drills
牙轮钻机主机构减速机的装配故障分析与运动仿真

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