self-timing gear

英 [self-timing gear]
美 [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

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更新时间：2026-01-31 17:25:46