... , dredging sewer, receptacle has double independent water route. High pressure spraying route can cleaning blot on roads, clean kerb, AD ... plate, road sign, output water fog, spray disinfectant and dredge sewer and so on. Lower pressure spraying route can rinse road, watering ... and drawing back, turned in left and right direction.7. Nozzle can be imported from well-known company.Main parameter:Sprayer ...