建筑电气系统是管理建筑用电的一种系统，建筑电气系统主要有下述五部分：变电和配电系统，动力设备系统，照明系统，防雷和接地装置，弱电系统。
... electrical system in building 建筑电气系统 Sewer System Exhibition Building 下水道展示馆 System Civilization Building 制度文明建设 ...
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本论文主要阐述了某宾馆建筑电气系统设计的设计依据、设计原则和设计方法。
This paper mainly elaborates the design basis, the design principle and the design methods of a hotel building electrical system.
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。
Most electrical outlets have a prong that connects to the earth ground, which is also usually wired into the building electrical system for safety.
在建筑物内部还有机械和电气系统，例如电梯、供暖和冷却系统、照明系统等。
The building also has mechanical and electrical systems, such as elevators, heating and cooling systems, and lighting systems.
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