protection of mine water source

[protection of mine water source]
[protection of mine water source]

中文释义

矿山水源保护

单词分析

单词结构:

protection of mine water source

字母数:31

记忆提示

🎯 重点记忆:

  • 单词拼写:protection of mine water source
  • 核心含义:矿山水源保护