permissible explosives for coal mines

[permissible explosives for coal mines]
[permissible explosives for coal mines]

中文释义

煤矿炸药

单词分析

单词结构:

permissible explosives for coal mines

字母数:37

记忆提示

🎯 重点记忆:

  • 单词拼写:permissible explosives for coal mines
  • 核心含义:煤矿炸药