direct heated cathode

英 [direct heated cathode]
美 [direct heated cathode]

中文释义

直热式阴极

单词分析

单词结构：

direct heated cathode

字母数：21

记忆提示

🎯 重点记忆：

  • 单词拼写：direct heated cathode
  • 核心含义：直热式阴极

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更新时间：2026-01-29 20:17:38