短语词组短語motional l impedance 動態阻抗;動阻抗freehandle breaker motional impedance 自由動態阻抗free motional impedance [電子]自由動態阻抗;自由動生阻抗;繙譯loaded motional impedance 負荷動態阻抗;動態阻抗impedance motional 動生阻抗 返回 motional impedance