building electricity

• 建筑电气

building electricity的用法和样例：

例句

1. Most electrical outlets have a prong that connects to the earth ground, which is also usually wired into the building electrical system for safety.
   绝大多数电源插座有一个地线端与大地相连，这通常是为保障建筑电气系统的安全而采取的安全措施。