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vacuum tube switch
vacuum tube switch
英
[vacuum tube switch]
美
[vacuum tube switch]
中文释义
真空管开关
单词分析
单词结构:
vacuum tube switch
字母数:18
记忆提示
🎯 重点记忆:
单词拼写:vacuum tube switch
核心含义:真空管开关
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更新时间:2026-03-13 21:18:26