Automatic spraying and maintaining system for prestress concrete box girder

The utility model provides an automatic spraying and maintaining system for a prestress concrete box girder, and solves the problem that the conventional box girder subjected to manual watering and maintenance cannot meet the requirement on scaled production. The automatic spraying and maintaining s...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YAN MINGDONG, GAO LUWEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	PERFORMING OPERATIONS SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER TRANSPORTING WORKING CEMENT, CLAY, OR STONE
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