原水进入膜壳内，被密封圈阻隔，通过膜的端面，在压力的作用下透过膜，通过透过水导网流至集水管，纯水被集水管收集后从纯水端口流出，废水自原水导流网中流出。Reverse osmosis (RO) technology。Raw water enters the membrane shell.is the sealing ring through the。membrane barrier.the end.through the membrane under the action of pressure。water flow through the network through the guide to collecting pipe.water pipe。