题目内容

b直流电动机起动过程中,电枢电流( )

A. 由大变小
B. 由小变大
C. 保持不变

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无刷直流电机有哪些方面的应用?

北京市朝阳区双井街道办事处就是一级政府。( )

A. 对
B. 错

The European Union is primarily intended to permit:

A. Countries to adopt scientific tariffs on imports
B. An agricultural commodity cartel within the group
C. The adoption of export tarrifs for revenue purposes
D. Free movement of resources and products among member nations

Whichofthefollowingrepresentsthestagewhereeconomicintegrationismostcomplete?

A. Economicunion
B. Customsunion
C. Monetaryunion
D. Commonmarket

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