Marginal extraction cost — The costofmining an additional unit of resource.
边际抽取成本——增加额外一单位资源的我的成本。
2
It affects the efficiency of each subsequent production processes such as loading, transportation and fragmentation, and the total costofmining.
块度大小影响到矿山铲装、运输、破碎等后续生产工序的效率和采矿生产的总成本。
3
Meanwhile, in electricity coal cost, in addition to the costofmining, various forms of charge accounts for the proportion of coal prices higher and higher.