compound valve

英 [compound valve]
美 [compound valve]

中文释义

复合电子管

单词分析

单词结构：

compound valve

字母数：14

记忆提示

🎯 重点记忆：

  • 单词拼写：compound valve
  • 核心含义：复合电子管

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更新时间：2026-01-28 01:54:31