round section joint ring

英 [round section joint ring]
美 [round section joint ring]

中文释义

O”形圈

单词分析

单词结构：

round section joint ring

字母数：24

记忆提示

🎯 重点记忆：

  • 单词拼写：round section joint ring
  • 核心含义：O”形圈

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更新时间：2025-12-08 21:31:03