primary coking coal

英 [primary coking coal]
美 [primary coking coal]

中文释义

焦煤

单词分析

单词结构：

primary coking coal

字母数：19

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  • 单词拼写：primary coking coal
  • 核心含义：焦煤

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更新时间：2025-12-13 21:05:22