heavy duty switch machine

英 [heavy duty switch machine]
美 [heavy duty switch machine]

中文释义

大功率转辙机

单词分析

单词结构：

heavy duty switch machine

字母数：25

记忆提示

🎯 重点记忆：

  • 单词拼写：heavy duty switch machine
  • 核心含义：大功率转辙机

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更新时间：2025-12-09 19:49:09