对排水工程（上册）教材有关内容的几点看法随着改革开放，人民生活水平不断提高，居住小区建筑在全国大量兴起，为使居住小区给排水工程设计符合国家经济、技术政策法令，１９９４年６月１日国家批准了居住小区给排水设计规范，并开始实施。但在排水工程教材（上）中有一... Some views on the contents of the textbook of the drainage project (volume 1) With the reform and opening up, the people’s living standards have been continuously improved, and the residential community buildings have risen in large numbers throughout the country. In order to make the design of the residential community water supply and drainage project in line with national economic and technological policies and regulations, 1994 On June 1, the state approved the design code for water supply and drainage in residential quarters and started implementation. But in the drainage engineering textbook (a) there is a ...