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首页 > 英汉词典 > permissive block signal

permissive block signal

英 [permissive block signal]
美 [permissive block signal]

中文释义

权宜闭塞号志(机)

单词分析

单词结构:

permissive block signal

字母数:23

记忆提示

🎯 重点记忆:

  • 单词拼写:permissive block signal
  • 核心含义:权宜闭塞号志(机)

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更新时间:2025-12-09 09:13:29

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