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词汇 coal rank
释义 coal rank
基本例句
煤级
In the condition of similarcoal rank, fusinite contributes more to specific area than the vitreous coal component in the eastern margin of Ordos Basin.在相似煤级条件下,惰质组分较镜质组分有更多的比表面积贡献。
Theoretical analysis on suitable raw coal sizes for briquettesand experimental study on the relation between raw coal sizes and briquette strength have been carried out.采用理论分析方法对合理原料煤级配进行了分析,并对原料煤级配与型煤强度的关系进行了实验研究。
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