core retaining ring

英 [core retaining ring]
美 [core retaining ring]

中文释义

[铁路] 铁心挡圈

单词分析

单词结构：

core retaining ring

字母数：19

记忆提示

🎯 重点记忆：

  • 单词拼写：core retaining ring
  • 核心含义：[铁路] 铁心挡圈

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更新时间：2026-03-16 10:09:24