C2 noun #69,750 最常用

A thermionic valve similar to a tetrode with the addition of a third grid, the suppressor grid; was/is used in high quality audio and radio products

pentode 30秒了解

  • (noun) A thermionic valve similar to a tetrode with the addition of a third grid, the suppressor grid; was/is used in high quality audio and radio products

Meanings

  1. 1
    noun A thermionic valve similar to a tetrode with the addition of a third grid, the suppressor grid; was/is used in high quality audio and radio products
有帮助吗?
还没有评论。成为第一个分享想法的人!