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松动爆破计价
松动爆破施工组织设计
We will conti nue to im prove the company's inter nal control system, and steady impr ovement in a bility to manage and control, optimize busi ness processes, to e nsure smooth pr oce sses, responsibil ities in place; to further strengthen inter nal control s, play a contr ol post indepe ndent oversight role of evaluation com plying wit h third -party responsi bility; to a ctively make use of inte
软岩巷道底板深部松动爆破设计与施工
软岩巷道底板深部松动爆破设计与施工
论述了急斜软岩巷道的底鼓特征,得出了高地应力作用下,采用底板深部松动爆破法的可行方案,研究单面卸压技术各参数,并对施工关键环节和应用注意事项加以论述,为现场应用提供指导。