pit props

英 [pit props]
美 [pit props]

中文释义

矿井支撑物,坑木

单词分析

单词结构：

pit props

字母数：9

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🎯 重点记忆：

  • 单词拼写：pit props
  • 核心含义：矿井支撑物,坑木

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更新时间：2026-03-16 14:49:43