thermionic tube
英汉例句
- 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