pre-grouting from the drifting or sinking face

[pre-grouting from the drifting or sinking face]
[pre-grouting from the drifting or sinking face]

中文释义

工作面预注浆

单词分析

单词结构:

pre-grouting from the drifting or sinking face

字母数:46

记忆提示

🎯 重点记忆:

  • 单词拼写:pre-grouting from the drifting or sinking face
  • 核心含义:工作面预注浆