concealed manhole

英 [concealed manhole]
美 [concealed manhole]

中文释义

隐蔽孔

单词分析

单词结构：

concealed manhole

字母数：17

记忆提示

🎯 重点记忆：

  • 单词拼写：concealed manhole
  • 核心含义：隐蔽孔

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更新时间：2025-12-10 04:56:55