fixed primary annulu
查询英语单词中文释义、音标、发音和例句。
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:2026-08-29 13:26:41