obstruction guard

英 [obstruction guard]
美 [obstruction guard]

中文释义

(铁路机车的)护栏

单词分析

单词结构：

obstruction guard

字母数：17

记忆提示

🎯 重点记忆：

  • 单词拼写：obstruction guard
  • 核心含义：(铁路机车的)护栏

最近查询：

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更新时间：2026-01-03 00:13:10