secondary grout hole

英 [secondary grout hole]
美 [secondary grout hole]

中文释义

二期灌浆孔

单词分析

单词结构：

secondary grout hole

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：secondary grout hole
  • 核心含义：二期灌浆孔

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更新时间：2025-12-17 21:05:46