单项选择题
A.110kV/35kV/380V B.110kV/35kV/0.4kV C.110kV/0.4kV/220V D.110kV/380V/220V
A.编制、校对 B.校对、审批 C.编制、审批 D.编制、评审
A.15% B.20% C.25% D.30%