impedance change frequency test的意思|示意
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阻抗变换频率试验
impedance change frequency test的网络常见释义
电阻抗变换频率试验 ... Grounding Impedance Test 接地阻抗测试 impedance change frequency test 电阻抗变换频率试验 Characteristic Impedance Test 特性阻抗测试 ...