... fire fighting, dredging sewer, receptacle has double independent water route. High pressure spraying route can cleaning blot on roads, clean kerb ... plate, road sign, output water fog, spray disinfectant and dredge sewer and so on. Lower pressure spraying route can rinse road ... and so on.Features:1. Friendly human-machine interface2. Low water pressure can be used to wash road surface, watering, green ...