Through placing a thin hollow electron beam in the electronic tunnel of the tunneladder TNT,this article derived the linear theory of the tunneladder traveling wave tubes(TWT).是什么意思_Through placing a thin hollow electron beam in the electronic tunnel of the tunneladder TNT,this article derived the linear theory of the tunneladder traveling wave tubes(TWT).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句