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vacuum-tube relay
vacuum-tube relay
英
[vacuum-tube relay]
美
[vacuum-tube relay]
中文释义
真空管继电器;电子管继电器
单词分析
单词结构:
vacuum-tube relay
字母数:17
记忆提示
🎯 重点记忆:
单词拼写:vacuum-tube relay
核心含义:真空管继电器;电子管继电器
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更新时间:2026-04-11 11:15:47