ballast distributing and trimming

英 [ballast distributing and trimming]
美 [ballast distributing and trimming]

中文释义

道床配碴整形

单词分析

单词结构：

ballast distributing and trimming

字母数：33

记忆提示

🎯 重点记忆：

  • 单词拼写：ballast distributing and trimming
  • 核心含义：道床配碴整形

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更新时间：2026-02-06 20:09:31