gear-within-gear pump

英 [gear-within-gear pump]
美 [gear-within-gear pump]

中文释义

内啮合齿轮泵

单词分析

单词结构：

gear-within-gear pump

字母数：21

记忆提示

🎯 重点记忆：

  • 单词拼写：gear-within-gear pump
  • 核心含义：内啮合齿轮泵

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更新时间：2026-02-21 02:58:08