beam valve

英 [beam valve]
美 [beam valve]

中文释义

= beam tetrode

单词分析

单词结构：

beam valve

字母数：10

记忆提示

🎯 重点记忆：

  • 单词拼写：beam valve
  • 核心含义：= beam tetrode

最近查询：

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更新时间：2026-01-12 10:22:18