coal rock and gas outburst mine

[coal rock and gas outburst mine]
[coal rock and gas outburst mine]

中文释义

煤岩与瓦斯突出矿井

单词分析

单词结构:

coal rock and gas outburst mine

字母数:31

记忆提示

🎯 重点记忆:

  • 单词拼写:coal rock and gas outburst mine
  • 核心含义:煤岩与瓦斯突出矿井