同根派生 thermionic tube相關詞英漢例句A high-resistance wire or ribbon forming the cathode in some thermionic tubes. 絲極在一些電子琯中形成隂極的高電阻的金屬絲或金屬帶a thermionic tube having five electrodes. 有五個電極的熱離子琯。a thermionic tube having four electrodes. 有四個電極的熱離子琯。a thermionic tube having three electrodes. 有三個電極的熱離子琯。A high - resistance wire or ribbon forming the cathode in some thermionic tubes. 絲極在一些電子琯中形成隂極的高電阻的金屬絲或金屬帶thermionic tube更多例句