While the efficiency of the series-wound DC motor is relatively , it is still being used because of its design and cost.
A、high;complex;high
B、low;simple;low
C、low;complex;high
D、low;complex;low
发布时间:2025-05-22 16:47:26
A、high;complex;high
B、low;simple;low
C、low;complex;high
D、low;complex;low