ventilation of coal pits

英 [ventilation of coal pits]
美 [ventilation of coal pits]

中文释义

(煤矿)矿井通风

单词分析

单词结构：

ventilation of coal pits

字母数：24

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🎯 重点记忆：

  • 单词拼写：ventilation of coal pits
  • 核心含义：(煤矿)矿井通风

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更新时间：2026-01-08 10:05:29