directly-heated cathode

[directly-heated cathode]
[directly-heated cathode]

中文释义

直热[式]阴极

单词分析

单词结构:

directly-heated cathode

字母数:23

记忆提示

🎯 重点记忆:

  • 单词拼写:directly-heated cathode
  • 核心含义:直热[式]阴极