sectional mining

英 [sectional mining]
美 [sectional mining]

中文释义

分区开采

单词分析

单词结构：

sectional mining

字母数：16

记忆提示

🎯 重点记忆：

  • 单词拼写：sectional mining
  • 核心含义：分区开采

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更新时间：2025-12-10 06:52:03