pre-opened hole

英 [pre-opened hole]
美 [pre-opened hole]

中文释义

[机] 预留孔

单词分析

单词结构：

pre-opened hole

字母数：15

记忆提示

🎯 重点记忆：

  • 单词拼写：pre-opened hole
  • 核心含义：[机] 预留孔

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更新时间：2026-01-30 08:31:06