Language:Chinese.paperback.Pub Date:2020-12-01.publisher:Emergency Management Press.description:Paperback. Pub Date: 2020-12-01 Pages: 186 Language: Chinese Publisher: Emergency Management Press Coal Sampling Method (including work page) introduced the commercial coal samples. coal seam coal samples and production coal samples. and The four sam
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Da: liu xing, Nanjing, JS, Cina
paperback. Condizione: New. Paperback. Pub Date: 2020-12-01 Pages: 186 Language: Chinese Publisher: Emergency Management Press Coal Sampling Method (including work page) introduced the commercial coal samples. coal seam coal samples and production coal samples. and The four sample preparation procedures of crushing. screening. shrinking and drying are explained in terms of task analysis. operation methods and steps. equipment introduction. use tools. and precautions.?It adopts an integrated mode to compile. intercepts a. Codice articolo NS073799
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