high-roof mining system

英 [high-roof mining system]
美 [high-roof mining system]

中文释义

高矿房回采

单词分析

单词结构：

high-roof mining system

字母数：23

记忆提示

🎯 重点记忆：

  • 单词拼写：high-roof mining system
  • 核心含义：高矿房回采

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更新时间：2025-12-18 04:31:24