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端子排中信号回路一般按照( )进行分组。

单选题
2021-09-01 20:47
A、交流电压互感器
B、交流电流互感器
C、熔断器
D、预告信号、位置信号和事故信号
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正确答案
D

试题解析

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端子排中信号回路一般按照( )进行分组。
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