hand-operated switch point machine

英 [hand-operated switch point machine]
美 [hand-operated switch point machine]

中文释义

手动转辙器

单词分析

单词结构：

hand-operated switch point machine

字母数：34

记忆提示

🎯 重点记忆：

  • 单词拼写：hand-operated switch point machine
  • 核心含义：手动转辙器

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更新时间：2026-01-31 09:54:29