manhole collar

英 [manhole collar]
美 [manhole collar]

中文释义

人孔座

单词分析

单词结构：

manhole collar

字母数：14

记忆提示

🎯 重点记忆：

  • 单词拼写：manhole collar
  • 核心含义：人孔座

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更新时间：2026-01-29 19:24:08