back-up roll bearing

英 [back-up roll bearing]
美 [back-up roll bearing]

中文释义

支承辊轴承

单词分析

单词结构：

back-up roll bearing

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：back-up roll bearing
  • 核心含义：支承辊轴承

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更新时间：2026-02-04 14:07:31