Shield type tail water wetland filler modification device

The utility model discloses a shield type tail water wetland filler modification device which comprises a shield barrel, a shield cutter head is arranged at the front end of the shield barrel, the front end of the shield cutter head is a spherical surface, the rear end of the shield cutter head is c...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: HUANG YULING, SUN QINGYI, PENG MENGWEN, HOU YUANHANG, XIAO HUAZHEN, MO JING
Format: Patent
Sprache:chi ; eng
Schlagworte:
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