environmental protection in coal mining

[environmental protection in coal mining]
[environmental protection in coal mining]

中文释义

煤炭环境保护

单词分析

单词结构:

environmental protection in coal mining

字母数:39

记忆提示

🎯 重点记忆:

  • 单词拼写:environmental protection in coal mining
  • 核心含义:煤炭环境保护