多项选择题
A.2.2Ω B.4.4Ω C.220W D.110W
A.3uF B.6uF C.4uF D.32uF
A.3.15V B.0.9V C.0.45V D.18V
A.1.90-1.99A B.2.21-2.30A C.1.99-2.30A D.>2.30A
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