unsurfaced subgrade

英 [unsurfaced subgrade]
美 [unsurfaced subgrade]

中文释义

无路面路基

单词分析

单词结构：

unsurfaced subgrade

字母数：19

记忆提示

🎯 重点记忆：

  • 单词拼写：unsurfaced subgrade
  • 核心含义：无路面路基

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更新时间：2026-02-01 10:21:21