four-point contact ball

英 [four-point contact ball]
美 [four-point contact ball]

中文释义

四点接触球轴承

单词分析

单词结构：

four-point contact ball

字母数：23

记忆提示

🎯 重点记忆：

  • 单词拼写：four-point contact ball
  • 核心含义：四点接触球轴承

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更新时间：2026-02-03 04:31:58