coal seam liable to dust explosion

[coal seam liable to dust explosion]
[coal seam liable to dust explosion]

中文释义

煤尘爆炸危险煤层

单词分析

单词结构:

coal seam liable to dust explosion

字母数:34

记忆提示

🎯 重点记忆:

  • 单词拼写:coal seam liable to dust explosion
  • 核心含义:煤尘爆炸危险煤层