subgrade in permafrost soil zone

英 [subgrade in permafrost soil zone]
美 [subgrade in permafrost soil zone]

中文释义

多年冻土路基

单词分析

单词结构：

subgrade in permafrost soil zone

字母数：32

记忆提示

🎯 重点记忆：

  • 单词拼写：subgrade in permafrost soil zone
  • 核心含义：多年冻土路基

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更新时间：2026-02-22 09:32:45