随着“四化”建设的发展,创建文明城市的呼声日高。城市绿化和维护良好的生态环境显得越来越重要。而今,在城市绿化空地日益紧张的情况下,提倡屋顶绿化,是一项增加都市绿化面积,美化城市生活环境的有效措施。 多年前,发达国家都市就已利用屋顶 With the development of the “four modernizations,” the demand for the creation of a civilized city is increasing. Urban afforestation and a well-maintained ecological environment are increasingly important. Nowadays, in the increasingly tense urban green space, the promotion of roof greening is an effective measure to increase urban green areas and beautify the urban living environment. Many years ago, cities in developed countries already used rooftops