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已经导通的晶闸管的可被关断的条件是流过晶闸管的电流( )

A、减小至维持电流以下

B、减小至擎住电流以下

C、减小至门极触发电流以下

D、减小至5A以下

时间：2021-07-17 23:24 关键词：电力系统自动化技术高起专电力电子技术 2019级第三学期期末考试

答案解析

A

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