Underground engineering dewatering well plugging device

The utility model discloses an underground engineering dewatering well plugging device which comprises a bottom plate passing sleeve, a steel door plate and a rubber sealing ring plate, the bottom plate passing sleeve is arranged in a dewatering well, the bottom of the bottom plate passing sleeve ma...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HUA ZHAOYI, XUE CHANGJUN, WANG MINGYANG, MAO LIHUA, DONG XINYUAN, JI LIUTAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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