normal cyclic operation of coal mines

[normal cyclic operation of coal mines]
[normal cyclic operation of coal mines]

中文释义

煤矿正规循环作业

单词分析

单词结构:

normal cyclic operation of coal mines

字母数:37

记忆提示

🎯 重点记忆:

  • 单词拼写:normal cyclic operation of coal mines
  • 核心含义:煤矿正规循环作业