单项选择题
A.80μF B.60μF C.20μF D.40μF
A.60μF,100V/100V B.30μF,50V/50V C.60μF,50V/50V D.30μF,100V/100V
A.90μF/60V B.20μF/30V C.90μF/30V D.20μF/60V