英语单词分类 轻松记单词

更新时间:2024-11-18 21:15:18

thermionic vacuum tube

热离子真空管
  • 英英释义

Noun:
  • electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope

  • 近义词

  • 临近词

  • the same age
  • the
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