This paper discussed the basic constituents of green roof"for rainwater management, analyzed" factors affecting green roof efficiency in rainwater management, and thus put forward several design strategies from the perspective of optimizing the efficiency%文中讨论了绿色屋顶的雨水管理基本构成,分析了影响屋面雨水管理效能的各种因素,并从效能优化的角度提出了相应的设计策略。
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