switch point guard rail

英 [switch point guard rail]
美 [switch point guard rail]

中文释义

尖轨护轨

单词分析

单词结构：

switch point guard rail

字母数：23

记忆提示

🎯 重点记忆：

  • 单词拼写：switch point guard rail
  • 核心含义：尖轨护轨

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更新时间：2026-01-30 01:26:06