【 Weak current College 】 indoor drainage-learning objectives, priorities and difficulties

First, the learning objectives for the end of this chapter, you should have the following content and knowledge points: ① interior drainage system of classification. ② drainage system and drainage system of choice. ③ indoor composition of the drainage system. ④ indoor drainage system. ⑤ indoor drainage system commonly used equipment. ⑥ drainage piping layout and installation. ⑦ roof rainwater exclude system of classification and selection. ⑧ roof rainwater exclude system. ⑨ indoor drainage system of management and administration requirements. ⑩ indoor drainage system for managing content. Indoor drainage system maintenance. 　　Maintenance of outdoor drainage pipes. Second, important and difficult ① drainage system of choice. ② drainage piping layout and installation. ③ roof rainwater exclude system of classification and the choice of the drainage system. ④ indoor drainage management scope defined. ⑤ indoor drainage system maintenance.