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 河南成教 / 电气控制及PLC
正确率:100%

双速电动机高速运行时,定子绕组采用的连接方式

A.星形

B.三角形

C.双星形

D.延边三角形


  积分
 参考答案:
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  • 大多数细菌繁殖一代所需时间为: A、 10min B、 20min C、 40min D、 1h E、 2h病原生物学
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