porous concrete drain

英 [porous concrete drain]
美 [porous concrete drain]

中文释义

多孔混凝土排水管

单词分析

单词结构：

porous concrete drain

字母数：21

记忆提示

🎯 重点记忆：

  • 单词拼写：porous concrete drain
  • 核心含义：多孔混凝土排水管

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更新时间：2026-04-12 21:52:59