Geocofferdam bag filled with sand and concrete and cofferdam structure
The utility model provides a geocofferdam bag filled with sand and concrete and a cofferdam structure, the geocofferdam bag filled with sand and concrete comprises a geomembrane bag, the two ends of the geomembrane bag are filled with concrete, the middle of the geomembrane bag is filled with sand,...
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Format: | Patent |
Sprache: | chi ; eng |
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