coal seam prone to spontaneous combustion

[coal seam prone to spontaneous combustion]
[coal seam prone to spontaneous combustion]

中文释义

自然发火煤层

单词分析

单词结构:

coal seam prone to spontaneous combustion

字母数:41

记忆提示

🎯 重点记忆:

  • 单词拼写:coal seam prone to spontaneous combustion
  • 核心含义:自然发火煤层