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automic change-over switch
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automic change-over switch
Encyclopedia
工学
〔开关电器〕
释
automic change-over switch
自动转换开关
在两路电源供电的线路中,当常用电源发生故障时,能将负载电路从常用电源自动转换到备用电源的开关电器。又称双电源开关。
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