hollow mandrel

英 [hollow mandrel]
美 [hollow mandrel]

中文释义

空心心轴

单词分析

单词结构：

hollow mandrel

字母数：14

记忆提示

🎯 重点记忆：

  • 单词拼写：hollow mandrel
  • 核心含义：空心心轴

最近查询：

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更新时间：2026-01-07 17:56:19