baseless subminiature vacuum tube

英 [baseless subminiature vacuum tube]
美 [baseless subminiature vacuum tube]

中文释义

无座指形管

单词分析

单词结构：

baseless subminiature vacuum tube

字母数：33

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🎯 重点记忆：

  • 单词拼写：baseless subminiature vacuum tube
  • 核心含义：无座指形管

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更新时间：2026-04-11 20:05:04