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four-electrode vacuum tube
four-electrode vacuum tube
英
[four-electrode vacuum tube]
美
[four-electrode vacuum tube]
中文释义
四极真空管
单词分析
单词结构:
four-electrode vacuum tube
字母数:26
记忆提示
🎯 重点记忆:
单词拼写:four-electrode vacuum tube
核心含义:四极真空管
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更新时间:2026-04-12 22:11:58