shortwall coal mining method

[shortwall coal mining method]
[shortwall coal mining method]

中文释义

短壁采煤法

单词分析

单词结构:

shortwall coal mining method

字母数:28

记忆提示

🎯 重点记忆:

  • 单词拼写:shortwall coal mining method
  • 核心含义:短壁采煤法