four-point contact ball

[four-point contact ball]
[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