extracting block coal-water roadway

[extracting block coal-water roadway]
[extracting block coal-water roadway]

中文释义

采段溜煤巷

单词分析

单词结构:

extracting block coal-water roadway

字母数:35

记忆提示

🎯 重点记忆:

  • 单词拼写:extracting block coal-water roadway
  • 核心含义:采段溜煤巷