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evacuation of vacuum tube
evacuation of vacuum tube
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[evacuation of vacuum tube]
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[evacuation of vacuum tube]
中文释义
[电] 真空管的抽空法
单词分析
单词结构:
evacuation of vacuum tube
字母数:25
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🎯 重点记忆:
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:2026-04-13 19:36:12