coal sample for gas test

英 [coal sample for gas test]
美 [coal sample for gas test]

中文释义

瓦斯煤样

单词分析

单词结构：

coal sample for gas test

字母数：24

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🎯 重点记忆：

  • 单词拼写：coal sample for gas test
  • 核心含义：瓦斯煤样

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更新时间：2026-03-23 15:56:16