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。

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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。

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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。

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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。

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