shaft and drift supporting

英 [shaft and drift supporting]
美 [shaft and drift supporting]

中文释义

井巷支护

单词分析

单词结构：

shaft and drift supporting

字母数：26

记忆提示

🎯 重点记忆：

  • 单词拼写：shaft and drift supporting
  • 核心含义：井巷支护

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更新时间：2025-12-08 04:09:43