manhole cover ring

英 [manhole cover ring]
美 [manhole cover ring]

中文释义

人孔盖座

单词分析

单词结构：

manhole cover ring

字母数：18

记忆提示

🎯 重点记忆：

  • 单词拼写：manhole cover ring
  • 核心含义：人孔盖座

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更新时间：2026-02-03 00:04:18