evacuation of vacuum tube

英 [evacuation of vacuum tube]
美 [evacuation of vacuum tube]

中文释义

[电] 真空管的抽空法

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evacuation of vacuum tube

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  • 单词拼写：evacuation of vacuum tube
  • 核心含义：[电] 真空管的抽空法

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更新时间：2026-04-18 00:02:49