pitching seam

英 [pitching seam]
美 [pitching seam]

中文释义

中斜煤层

单词分析

单词结构：

pitching seam

字母数：13

记忆提示

🎯 重点记忆：

  • 单词拼写：pitching seam
  • 核心含义：中斜煤层

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更新时间：2025-12-13 03:49:46