This paper discusses short - circuit protection of low - pressure electric wire in the design of residence electricity, over current protecting and the choice of breaker in the system.
本文论述了住宅电气设计中低压配电线路的短路保护、过负载保护及系统中上下级断路器的选择。
Multilayer light gauge steel structure residence is a new type of residence system of green and environmental protection.
多层轻钢结构住宅是一种绿色环保的新型住宅体系。
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