soldering coal

英 [soldering coal]
美 [soldering coal]

中文释义

炼焦煤

单词分析

单词结构：

soldering coal

字母数：14

记忆提示

🎯 重点记忆：

  • 单词拼写：soldering coal
  • 核心含义：炼焦煤

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更新时间：2026-03-10 06:17:31