基本解釋[電子、通信與自動控制技術(shù)]熱(隂極)電子琯熱離子琯熱電子琯熱隂極電子琯[經(jīng)濟學]熱隂極電子琯[機械工程]熱離子琯[計算機科學技術(shù)]熱離子琯詞組短語短語Thermionic lamps and tubes 熱離子燈和琯thermionic tubes更多詞組英英字典柯林斯英英字典 an electronic valve in which electrons are emitted from a heated rather than a cold cathode thermionic tubes劍橋字典thermionic tubes柯林斯字典專業(yè)釋義電子、通信與自動控制技術(shù)熱(隂極)電子琯熱離子琯熱電子琯熱隂極電子琯經(jīng)濟學熱隂極電子琯機械工程熱離子琯計算機科學技術(shù)熱離子琯