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显微煤岩类型测定方法
Method of determining microlithotype composition
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煤岩分析样品制备方法
Method of preparing coal samples for the coal petrographic analysis
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煤岩样品采取方法
Sampling of coal petrology
价格:¥0.00
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烟煤的宏观煤岩类型分类
Classification of macrolithotype for bituminous coal
价格:¥0.00
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