【電】 medium-frequency tube

中頻的英語翻譯：

intermediate frequency
【電】 frequency intermediate; intermediate frequency; medium frequency

管的英語翻譯：

canal; duct; fistula; guarantee; meatus; pipe; tube; wind instrument
【化】 pipe; tube
【醫(yī)】 canal; canales; canalis; channel; duct; ductus; salpingo-; salpinx
syringo-; tuba; tube; tubi; tubing; tubo-; tubus; vas; vaso-; vessel