alundum tube

英 [alundum tube]
美 [alundum tube]

中文释义

刚玉管

单词分析

单词结构：

alundum tube

字母数：12

记忆提示

🎯 重点记忆：

  • 单词拼写：alundum tube
  • 核心含义：刚玉管

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更新时间：2026-04-13 11:14:32