电压凹陷是指电压在短时间内突然降低,其典型持续时间在1-5秒。()
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A.perfectB.effectC.reflectD.affect
A. perfect
B. effect
C. reflect
D. affect
A.mightB.strengthC.vigorD.power
A. might
B. strength
C. vigor
D. power
A.remarkablyB.speciallyC.particularlyD.essentially
A. remarkably
B. specially
C. particularly
D. essentially
采用分布短距的方法,可以削弱交流绕组中的υ次谐波电势。()