thermionic tube

常見例句

• 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(gè)電極的熱離子琯。
• a thermionic tube having four electrodes.
  有四個(gè)電極的熱離子琯。
• a thermionic tube having three electrodes.
  有三個(gè)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
• a thermionic tube having two electrodes;
  有兩個(gè)電極的熱離子琯；
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