coal washing and dressing

英 [coal washing and dressing]
美 [coal washing and dressing]

中文释义

煤炭洗选加工

单词分析

单词结构：

coal washing and dressing

字母数：25

记忆提示

🎯 重点记忆：

  • 单词拼写：coal washing and dressing
  • 核心含义：煤炭洗选加工

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更新时间：2026-02-21 05:22:06