patent sounding machine

英 [patent sounding machine]
美 [patent sounding machine]

中文释义

手摇测深仪

单词分析

单词结构：

patent sounding machine

字母数：23

记忆提示

🎯 重点记忆：

  • 单词拼写：patent sounding machine
  • 核心含义：手摇测深仪

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更新时间：2026-02-04 01:35:35