indoor wiring

例句：

1. 1.The electrical engineer installed the indoor wiring in the new building.
   电气工程师在这座新楼里安装了室内布线。
2. 2. The construction crew was working on the inside of the wall, installing the indoor wiring.
   建筑工人正在墙内工作，安装室内布线。
3. 3. The electrical system needs to be tested before it can be used for indoor wiring.
   在用于室内布线之前，电气系统需要经过测试。