unattended switcher

英 [unattended switcher]
美 [unattended switcher]

中文释义

无人驾驶的调车机车

单词分析

单词结构：

unattended switcher

字母数：19

记忆提示

🎯 重点记忆：

  • 单词拼写：unattended switcher
  • 核心含义：无人驾驶的调车机车

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更新时间：2026-02-01 00:58:53