... , spraying, irrigating, fire fighting, 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 ... so on. Features:1. Friendly human-machine interface2. Low water pressure can be used to wash road surface, watering, green ...