哈尔滨市退休工人衣贵福发明的每次耗水 4升以内的节水马桶 ,获得了国家专利。今年 76岁的衣贵福 ,从 1994年起开始研究节水马桶。他发现 ,旧式马桶的弊端主要有两个 :一是坐便器下部有“存水弯”,因阻力大所以浪费水 ;二是水箱内有很多零配件 ,坏一件就容易渗水或漏水。针对这 Replenishment workers in Harbin City, your blessing found that water consumption within 4 liters of water-saving toilet, access to the national patent. 76-year-old Yi Guifu, from 1994 onwards study of water-saving toilets. He found that the drawbacks of the old toilet there are two main: First, the lower part of the toilet has a “trap”, because of resistance so wasting water; Second, there are many water tank components, the bad one is easy to seepage or leakage. Against this