sealed off vacuum system

英 [sealed off vacuum system]
美 [sealed off vacuum system]

中文释义

封离真空系统

单词分析

单词结构：

sealed off vacuum system

字母数：24

记忆提示

🎯 重点记忆：

  • 单词拼写：sealed off vacuum system
  • 核心含义：封离真空系统

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更新时间：2026-02-23 09:01:43