sand and gravel extraction

英 [sand and gravel extraction]
美 [sand and gravel extraction]

中文释义

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单词结构：

sand and gravel extraction

字母数：26

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🎯 重点记忆：

  • 单词拼写：sand and gravel extraction
  • 核心含义：石精选

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更新时间：2025-12-09 19:00:08