目录1.1前言：.................................................21.2需求分析.............................................21.3电脑教室解决方案...............................21.3.1布线方案..........................................21.3.2布线示意图......................................41.3.3供电系统与接地系统技术要求..........51.3.4机房工程解决方案............................51.3.5接地系统（建议方案...
