protection of over electric current
protection of over electric current
过电流保护
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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。
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