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[单选题]一台6极50Hz的三相异步电动机,当s=0.025时,电动机的转速和同步速分别为(   )。(每题 0.5分)(0.5)

发布时间:2025-11-29

A.731.750

B.975.1000

C.1463.1500

D.2925.3000

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