短語詞組短語standing -wave ratio 駐波比voltage -standing-wave ratio characteristics 駐波比特性power standing wave ratio 功率駐波比antenna standing wave ratio 天線駐波比current standing wave ratio [電子]電流駐波比standing wave ratio indicator [電子]駐波比指示器standing wave ratio method 駐波比法Voltage Standing Wave Ratio 電壓駐波比standing wave ratio measuring kit 成套駐波比測量器standing wave -ratio swr 駐波率 返回 standing wave ratio