classification of tunnel surrounding rock

[classification of tunnel surrounding rock]
[classification of tunnel surrounding rock]

中文释义

隧道围岩分级

单词分析

单词结构:

classification of tunnel surrounding rock

字母数:41

记忆提示

🎯 重点记忆:

  • 单词拼写:classification of tunnel surrounding rock
  • 核心含义:隧道围岩分级