longwall working home

英 [longwall working home]
美 [longwall working home]

中文释义

后退长壁法

单词分析

单词结构：

longwall working home

字母数：21

记忆提示

🎯 重点记忆：

  • 单词拼写：longwall working home
  • 核心含义：后退长壁法

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更新时间：2026-03-24 04:05:23