International Classification of Coal in Seam

[International Classification of Coal in Seam]
[International Classification of Coal in Seam]

中文释义

国际煤层煤分类

单词分析

单词结构:

International Classification of Coal in Seam

字母数:44

记忆提示

🎯 重点记忆:

  • 单词拼写:International Classification of Coal in Seam
  • 核心含义:国际煤层煤分类