to and fro system

英 [to and fro system]
美 [to and fro system]

中文释义

往复式装置

单词分析

单词结构：

to and fro system

字母数：17

记忆提示

🎯 重点记忆：

  • 单词拼写：to and fro system
  • 核心含义：往复式装置

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更新时间：2026-01-31 17:34:03