Sublevel caving method well-free rapid grooving method under complex mining condition

The invention provides a sublevel caving method well-free rapid grooving method under complex mining conditions. When a sublevel caving method is adopted for mining under the adverse conditions of ore rock breaking, complex and changeable ore body forms and the like, a series of prominent problems o...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG YANCHUN, GONG ZHEN, TAN BAOHUI, WANG HU, LONG WEIGUO, WU SHUANJUN, HU YINGPENG, WANG YONGDING, HE JIANYUAN, SU DENGFENG, NIU MENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AMMUNITION BLASTING EARTH DRILLING FIXED CONSTRUCTIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING MINING OR QUARRYING WEAPONS
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