longwall retreating

英 [longwall retreating]
美 [longwall retreating]

中文释义

【采矿】长壁后退式回采

单词分析

单词结构：

longwall retreating

字母数：19

记忆提示

🎯 重点记忆：

  • 单词拼写：longwall retreating
  • 核心含义：【采矿】长壁后退式回采

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更新时间：2025-12-19 08:25:25