3. They avoid all luxuries and live a very f_______ life.
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4. Don't i_______ in what doesn't concern you.
5. B_______ scream was still haunting witness to the accident.
永磁同步电机的原理是在电动机的()中通入三相电流,在通入电流后就会在电动机的定子绕组中形成旋转磁场。
A. 壳体
B. 转子绕组
C. 定子绕组
D. 换向器电刷
永磁同步电机根据在转子上安放永磁体的位置不同可以分为:()
A. 内嵌式
B. 整体式
C. 面贴式
D. 插入式