safe railway operation

英 [safe railway operation]
美 [safe railway operation]

中文释义

[铁路] 铁路安全运行

单词分析

单词结构：

safe railway operation

字母数：22

记忆提示

🎯 重点记忆：

  • 单词拼写：safe railway operation
  • 核心含义：[铁路] 铁路安全运行

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更新时间：2026-02-21 01:14:06