题目内容

电磁操纵起动机均设计有铁芯断电行程。()

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It can be concluded that the three economists were awarded Nobel Prize for______.

A. bringing in crucial elements for analysis
B. establishing a whole new economic model
C. providing the government with practical suggestions
D. setting a framework for thinking about labor markets

电磁操纵式起动机外控制电路常见有______控制式,______控制式,______控制式三种。

发动机转速越高,次级电压就越大。()

无刷式交流发电机不必整流。()

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