ball track

英 [ball track]
美 [ball track]

中文释义

球沟道;轴承滚道

单词分析

单词结构：

ball track

字母数：10

记忆提示

🎯 重点记忆：

  • 单词拼写：ball track
  • 核心含义：球沟道;轴承滚道

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更新时间：2026-01-27 17:55:49