vacuum tube direct current millivoltmeter

英 [vacuum tube direct current millivoltmeter]
美 [vacuum tube direct current millivoltmeter]

中文释义

电子管直流毫伏表

单词分析

单词结构：

vacuum tube direct current millivoltmeter

字母数：41

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🎯 重点记忆：

  • 单词拼写：vacuum tube direct current millivoltmeter
  • 核心含义：电子管直流毫伏表

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更新时间：2026-04-13 03:03:39