gear-within-gear pump

[gear-within-gear pump]
[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