Deep Hole Controlled Blasting的意思|示意

According to experience of stonework excavation, we plan to adopt a in-the-hole drill to have deep hole controlled blasting technology.

根据石方开挖施工经验，计划采用潜孔钻机布孔进行深孔控制爆破技术施工。

Short delay controlled blasting technology for deep hole loose is presented in this paper.

本文简要介绍了深孔松动微差控制爆破技术。

Based on the comparisons in technology economy, rock specification, and surroundings, this paper proposes the deep-hole controlled blasting method.

通过技术经济、石料规格及周边环境等综合因素的比较，提出采用深孔微差爆破方案。