girder without ballast and sleeper

英 [girder without ballast and sleeper]
美 [girder without ballast and sleeper]

中文释义

无碴无枕梁

单词分析

单词结构：

girder without ballast and sleeper

字母数：34

记忆提示

🎯 重点记忆：

  • 单词拼写：girder without ballast and sleeper
  • 核心含义：无碴无枕梁

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更新时间：2026-02-05 21:45:07