fixed primary annulus

英 [fixed primary annulus]
美 [fixed primary annulus]

中文释义

行星传动第一级固定齿轮

单词分析

单词结构：

fixed primary annulus

字母数：21

记忆提示

🎯 重点记忆：

  • 单词拼写：fixed primary annulus
  • 核心含义：行星传动第一级固定齿轮

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更新时间：2026-01-25 01:29:23