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问题详情

纯直流电压作用下,能有效提高套管绝缘性能的措施是( )。

A、减小套管体电容

B、减小套管表面电阻

C、增加沿面距离

D、增加套管壁厚

时间：2021-07-17 23:25 关键词：发电厂及电力系统高起专高电压技术 2020年第二学期期末考试电力系统自动化技术

答案解析

C

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