refined coal
- 网络精煤
 refined coal
refined coalrefined coal
精煤
精煤(refined coal)焦煤(coke) 灰份Ad% 20-24 9.5-10.5 11.5-13.5 挥发份Vdaf% 16-23 24-26 1-1.2 固定碳Fcad%     85-88 
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