同根派生 thermionic tube相關(guān)詞英漢例句A high-resistance wire or ribbon forming the cathode in some thermionic tubes. 絲極在一些電子管中形成陰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管。a thermionic tube having four electrodes. 有四個電極的熱離子管。a thermionic tube having three electrodes. 有三個電極的熱離子管。A high - resistance wire or ribbon forming the cathode in some thermionic tubes. 絲極在一些電子管中形成陰極的高電阻的金屬絲或金屬帶thermionic tube更多例句