第4题
A、1500V
B、750V
C、20kV
D、27.5kV
第5题
第7题
A.35kV,10kV
B.38.5kV,10.5kV
C.38.5kV,11kV
D.40.5kV,11kV
第9题
A.220/110/35kV,50MVA,Yyd形主变与220/110/35kV,180MVA,Yyd形主变
B.220/110/35kV,150MVA,Yyd形主变与110/35kV,63MVA,Yd形主变
C.220/110/35kV,150MVA,Yyd形主变与110/35/10kV,63MVA,Yyd形主变
D.220/35kV,180MVA,Yd形主变与220/110/35kV,180MVA,Yyd形主变
第10题
A.220/110/35kV,50MVA,Yyd形主变与220/110/35kV,180MVA,Yyd形主变
B.220/110/35kV,150MVA,Yyd形主变与110/35kV,63MVA,Yd形主变
C.220/110/35kV,150MVA,Yyd形主变与110/35/10kV,63MVA,Yyd形主变
D.220/35kV,180MVA,Yd形主变与220/110/35kV,180MVA,Yyd形主变
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