Liaoning Metal Mine, Drilling jumbo equipped with Woserld 18KW hydraulic rock drill. Rock hardness:

Release Time: 2025-11-03

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Liaoning Metal Mine, Cross-section: 3×3m. Drilling jumbo equipped with Woserld 18KW hydraulic rock drill. Rock hardness: F8, hole depth: 3.3m, average time per hole: 1 minute.