contour map of top surface of coal bed

[contour map of top surface of coal bed]
[contour map of top surface of coal bed]

中文释义

煤层顶面等高线图

单词分析

单词结构:

contour map of top surface of coal bed

字母数:38

记忆提示

🎯 重点记忆:

  • 单词拼写:contour map of top surface of coal bed
  • 核心含义:煤层顶面等高线图