self-timing gear

[self-timing gear]
[self-timing gear]

中文释义

自动调时齿轮

单词分析

单词结构:

self-timing gear

字母数:16

记忆提示

🎯 重点记忆:

  • 单词拼写:self-timing gear
  • 核心含义:自动调时齿轮