采矿原料 meaning in English
mining raw materials
Examples
- Investigations of the raw material in hard - coal - mining ; microscopical examinations of rocks
硬煤采矿原料分析勘测.矿石的显微检验 - Investigations of the raw material in hard - coal - mining ; determination of the particle - size - distribution 20 ? m by sieve - analysis
硬煤采矿原料的勘测.筛分法测定大于20 m的粒度分布