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转向灯灯泡灯丝烧断,会使转向灯闪烁频率变快。()

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排故障时拆装汽油管接头应采用两把开口扳手。()

电磁操纵起动机均设计有铁芯断电行程。()

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。

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