poor quality coal的意思|示意
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英 / /
劣质煤
poor quality coal的网络常见释义
劣质煤 ...热值煤;高硫煤;劣质煤;煤粉细度;熟料;结皮 [gap=582]Key words: low heating value coal; high sulphur coal; poor quality coal; fineness of pulverized coal; clinker; coating ..
poor quality coal相关短语
1、 poor-quality coal 煤质差