single-directional running automatic block

英 [single-directional running automatic block]
美 [single-directional running automatic block]

中文释义

单向自动闭塞

单词分析

单词结构：

single-directional running automatic block

字母数：42

记忆提示

🎯 重点记忆：

  • 单词拼写：single-directional running automatic block
  • 核心含义：单向自动闭塞

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更新时间：2026-03-17 22:36:28