comparatively regularcoal seam

[comparatively regularcoal seam]
[comparatively regularcoal seam]

中文释义

较稳定煤层

单词分析

单词结构:

comparatively regularcoal seam

字母数:30

记忆提示

🎯 重点记忆:

  • 单词拼写:comparatively regularcoal seam
  • 核心含义:较稳定煤层