Rescue and dredging
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						  Full hydraulic super long arm excavator, driving in the river dredging and ditch excavation site
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						  Application of single arm grab and double arm grab in rescue field
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						  QLYD12HZ grab crane for sludge excavation in the pond in the plant area
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						  Double arm rescue robot participating in Ya'an earthquake rescue
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						  The engineering construction of the wheeled crawler type extended arm grab
