vacuum valve amplifi
查询英语单词中文释义、音标、发音和例句。
vacuum valve amplifier
英
[vacuum valve amplifier]
美
[vacuum valve amplifier]
中文释义
电子管[真空管]放大器
单词分析
单词结构：
vacuum valve amplifier
字母数：22
记忆提示
🎯 重点记忆：
- 单词拼写：vacuum valve amplifier
- 核心含义：电子管[真空管]放大器
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更新时间：2026-09-01 20:16:15