inclined shaft development system

[inclined shaft development system]
[inclined shaft development system]

中文释义

斜井开拓

单词分析

单词结构:

inclined shaft development system

字母数:33

记忆提示

🎯 重点记忆:

  • 单词拼写:inclined shaft development system
  • 核心含义:斜井开拓