preparation stage of mine construction

[preparation stage of mine construction]
[preparation stage of mine construction]

中文释义

矿井施工准备期

单词分析

单词结构:

preparation stage of mine construction

字母数:38

记忆提示

🎯 重点记忆:

  • 单词拼写:preparation stage of mine construction
  • 核心含义:矿井施工准备期