Sinking type underground water monitoring wellhead protection device

The utility model discloses a sinking type underground water monitoring well mouth protection device which comprises a groove formed in the ground, a waterproof unit and a sealing unit arranged at theupper end of a well wall pipe in a covering mode are arranged in the groove, a supporting unit for s...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YIN DONGFANG, FANG XIAO, PENG KAI, YU DALU, JIANG LEI, GAO WENFENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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