middle-rail box girder

英 [middle-rail box girder]
美 [middle-rail box girder]

中文释义

[机] 正轨箱形梁

单词分析

单词结构：

middle-rail box girder

字母数：22

记忆提示

🎯 重点记忆：

  • 单词拼写：middle-rail box girder
  • 核心含义：[机] 正轨箱形梁

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更新时间：2026-02-05 23:01:41