flagging rule

英 [flagging rule]
美 [flagging rule]

中文释义

用旗[灯]信号显示保护列车的规则

单词分析

单词结构：

flagging rule

字母数：13

记忆提示

🎯 重点记忆：

  • 单词拼写：flagging rule
  • 核心含义：用旗[灯]信号显示保护列车的规则

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更新时间：2026-02-04 01:05:12