granular classification of coal

英 [granular classification of coal]
美 [granular classification of coal]

中文释义

煤炭粒度分级

单词分析

单词结构：

granular classification of coal

字母数：31

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🎯 重点记忆：

  • 单词拼写：granular classification of coal
  • 核心含义：煤炭粒度分级

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更新时间：2026-01-30 16:06:23