back-up bearing

[back-up bearing]
[back-up bearing]

中文释义

[机] 支承轴承

单词分析

单词结构:

back-up bearing

字母数:15

记忆提示

🎯 重点记忆:

  • 单词拼写:back-up bearing
  • 核心含义:[机] 支承轴承