preparation stage of mine construction

英 [preparation stage of mine construction]
美 [preparation stage of mine construction]

中文释义

矿井施工准备期

单词分析

单词结构：

preparation stage of mine construction

字母数：38

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🎯 重点记忆：

  • 单词拼写：preparation stage of mine construction
  • 核心含义：矿井施工准备期

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更新时间：2026-02-06 03:18:10