A.2/15
B.2/9
C.1/30
D.1/12
[单选题]A.2/15B.2/9C.1/30D.1/12
[单选题]A.2B.3C.5D.7
[单选题]A.2B.3C.5D.7
[单选题]A.2B.3C.5D.7
[单选题]A.2B.3C.5D.7
[单选题]A.0.8V,2VB.0.1V,2.2VC.0.12V,2.88VD.0.15V,3.12V
[单选题]A.0.205kVB.0.342kVC.0.410kVD.0.547kV
[单选题]A.28.87AB.50AC.721.7A
[单选题]A.0.205kVB.0.342kVC.0.410kVD.0.547kV