preliminary mine design

英 [preliminary mine design]
美 [preliminary mine design]

中文释义

矿井初步设计

单词分析

单词结构：

preliminary mine design

字母数：23

记忆提示

🎯 重点记忆：

  • 单词拼写：preliminary mine design
  • 核心含义：矿井初步设计

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更新时间：2026-01-30 22:24:58