coal seam floor contour map

英 [coal seam floor contour map]
美 [coal seam floor contour map]

中文释义

煤层底板等高线图

单词分析

单词结构：

coal seam floor contour map

字母数：27

记忆提示

🎯 重点记忆：

  • 单词拼写：coal seam floor contour map
  • 核心含义：煤层底板等高线图

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更新时间：2026-02-05 05:40:38