High-pressure jet grouting drill bit

The utility model provides a high-pressure jet grouting drill bit which comprises a drill bit body and a sharp edge at the bottom of the drill bit body, the drill bit body is composed of a plurality of sections of drill rods, and every two adjacent sections of drill rods are connected in a screwed m...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WU LIJUN, ZHAI YANBIN, XIAO YALEI, XIA YANGDONG, ZHAO HAOBIN, HAN XINGKUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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