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同步发电机运行时,通常要求随着负载的变化,其端电压最好()。
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同步发电机运行时,通常要求随着负载的变化,其端电压最好()。
A、有规律变化
B、保持最大
C、保持最小
D、恒定不变
时间:2022-01-05 00:05
关键词:
船舶电气设备及系统
海船船员考试
大学试题
工学
答案解析
C
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