Desilting device for dewatering well close to subway deep foundation pit

The utility model relates to the technical field of dewatering well dredging, and discloses a dewatering well dredging device close to a subway deep foundation pit, which comprises a second hollow pipe, threaded walls are arranged at the upper end and the lower end of the outer side of the second ho...

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Bibliographische Detailangaben
Hauptverfasser:	WANG ZHAO, ZHANG JIE, LIU SHENG, YAN QINGQING, GAO XIAOJUN, YAN MANJING, CHENG YANG, DING BO, CHANG LU, XUE FAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DREDGING EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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