approach obstruction signal

英 [approach obstruction signal]
美 [approach obstruction signal]

中文释义

遮断预告信号机

单词分析

单词结构：

approach obstruction signal

字母数：27

记忆提示

🎯 重点记忆：

  • 单词拼写：approach obstruction signal
  • 核心含义：遮断预告信号机

最近查询：

active ester of amino acid anchorage charges associative member bergin damp-mopping echicaoutchin Eurafrican liquid scintillator counter medical regiment neutron-capture gamma rays pearsalls pedia pelligrino position code subancipitous tammies test-pattern ticket to ride uralborite vestibule of the ear

更新时间：2026-02-06 05:31:02