underground cavity survey

英 [underground cavity survey]
美 [underground cavity survey]

中文释义

井下空硐测量

单词分析

单词结构：

underground cavity survey

字母数：25

记忆提示

🎯 重点记忆：

  • 单词拼写：underground cavity survey
  • 核心含义：井下空硐测量

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更新时间：2026-03-15 04:21:36