Method for tunnel smooth blasting drill construction

The invention discloses a method for tunnel smooth blasting drill construction. The method comprises the steps of installing a drilling rig direction controller on a rock drill, wherein the drilling rig direction controller is used for directly displaying up-and-down and left-right deflection direct...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG GONG, QIAN YECUN, GAO BO, MEI ZHIYAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AMMUNITION BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GALLERIES HEATING LARGE UNDERGROUND CHAMBERS LIGHTING MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SHAFTS TUNNELS WEAPONS
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