一次爆破 meaning in Chinese
primary blasting
primary breaking
Examples
- Physical model test and study on shaft excavation by one - step deep - hole blasting
一次爆破成井物理模型试验研究 - Numerical simulation on cutting mode of shaft excavation by one - step deep - hole blasting in hard rock
坚硬岩石一次爆破成井掏槽方式的数值模拟研究