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[期刊论文] 作者:Kamil Stańczyk,Andrzej Bajerski,Marian J.Łączny, 来源:国际煤炭科学技术学报:英文版 年份:2021
Hard coal is an important source of energy worldwide.Owing to the imperfections of excavation technology,most run-of-mine coals must be processed before they ca...
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