单项选择题
A.0.0149Ω B.0.0159Ω C.0.0169Ω D.0.0189Ω
A.0.0102Ω B.0.0104Ω C.0.0106Ω D.0.0108Ω
A.7.52Ω B.7.42Ω C.7.32Ω D.7.22Ω