hard rock raise boring machine

英 [hard rock raise boring machine]
美 [hard rock raise boring machine]

中文释义

硬岩天井钻进机

单词分析

单词结构：

hard rock raise boring machine

字母数：30

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🎯 重点记忆：

  • 单词拼写：hard rock raise boring machine
  • 核心含义：硬岩天井钻进机

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更新时间：2025-12-18 23:09:32