preliminary route in

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preliminary route indicator
英 [preliminary route indicator]
美 [preliminary route indicator]

中文释义

进路预（先）指（示）器, 进路预(先)指(示)器

单词分析

单词结构：

preliminary route indicator

字母数：27

记忆提示

🎯 重点记忆：

  • 单词拼写：preliminary route indicator
  • 核心含义：进路预（先）指（示）器, 进路预(先)指(示)器

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更新时间：2026-09-01 00:46:28