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首页 > 英汉词典 > protection ring

protection ring

英 [protection ring]
美 [protection ring]

中文释义

[计] 保护环

单词分析

单词结构:

protection ring

字母数:15

记忆提示

🎯 重点记忆:

  • 单词拼写:protection ring
  • 核心含义:[计] 保护环

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更新时间:2026-02-08 18:58:31

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