214.要扩大直流电压表的量程，应采用（）。

发布于 2023-04-24 07:01:53

【单选题】
A A.并联分流电阻
B B.串联分流电阻
C C.串联分压电阻
D D.并联分压电阻

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steelswarm 2023-04-24

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hymnsoul3

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