permanent ventilation of tunnel

英 [permanent ventilation of tunnel]
美 [permanent ventilation of tunnel]

中文释义

隧道运营通风

单词分析

单词结构：

permanent ventilation of tunnel

字母数：31

记忆提示

🎯 重点记忆：

  • 单词拼写：permanent ventilation of tunnel
  • 核心含义：隧道运营通风

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更新时间：2026-02-01 19:21:49