In order to solve the problems in the traditional design of the mining horizontal gathering ditch construction of the Phase Ⅱ project of Tongkuangyu Mine,through external inspections,the CY-40C cutting groove large hole drilling rig was actively introduced for process improvement.At the same time,directions for further improvement were proposed to help Tongkuangyu Mine develop towards high-end and intelligent direction.
ore accumulating trenchchanneling wellscutting slots with large holesone-time well completion
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