[电学] [无线电] triode; audion; radiotron; three-electrode valve; three-electrode tube 短语和例子充气三极管 gasfilled triode; 晶体三极管 transistor三极管-五极管: triode-pentodenpn三极管: npn dar笔形三极管: pencil type triode超三极管: ultra-audion◇超三极管振荡器 ultra-audion oscillator充气三极管: gas triode; gas-filled triode; gastriode下载手机词典可随时随地查词查翻译