double helical spur gear

英 [double helical spur gear]
美 [double helical spur gear]

中文释义

[化] 人字齿轮

单词分析

单词结构：

double helical spur gear

字母数：24

记忆提示

🎯 重点记忆：

  • 单词拼写：double helical spur gear
  • 核心含义：[化] 人字齿轮

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更新时间：2026-02-05 01:07:00