heavy duty roller bearing

英 [heavy duty roller bearing]
美 [heavy duty roller bearing]

中文释义

重型圆柱

单词分析

单词结构：

heavy duty roller bearing

字母数：25

记忆提示

🎯 重点记忆：

  • 单词拼写：heavy duty roller bearing
  • 核心含义：重型圆柱

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更新时间：2026-04-13 19:32:34