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保护继电器
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保护继电器
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保护继电器
用于继电保护装置中,当输入量(激励量)的变化达到规定要求时,在电气输出电路中使被控量发生预定的阶跃变化的一种电器。
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Beijing Books Building
Beijing Capital International Airport
Beijing Capital International Airport Terminal 3
Beijing Central Axis
Beijing Centranl Engineering and Research Institute of Nonferrous metallurgical Industries
Beijing Children Art Theatre Co.,Ltd.
Beijing Children's Film Studio
Beijing China Ethnic Museum
Beijing City
Beijing city
Beijing city function
Beijing City of Ming Dynasty
Beijing Conference and Exhibition Instrumental Analysis
Beijing Confucian Italian Showtime Film Investment Co.
Beijing Council International Auction Co.,Ltd
Beijing Cultural Exchange Museum
Beijing Cultural Palace of Nationalities Grand Theatre
Beijing Dabaotai Museum of the Western Han Mausoleum
Beijing Dadu City of YuanDynasty Wall Relics Park
Beijing Daguanyuan
Beijing Daily
Beijing Daily Newspaper Group
Beijing Dance
Beijing Dance Academy
Beijing Daxing International Airport
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