隐极式同步发电机的转子结构更适合高速运行,如汽轮机拖动的发电机;凸极式更适合低速运行,如水轮机拖动的发电机。()(0.5)
发布时间:2025-11-29
A.正确
B.错误
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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69423' and id < 4495285 and id<>'4495285' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69423' and id > 4495285 and id<>'4495285' order by id asc limit 5
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