矿煤 meaning in Chinese

mineral coal

Reduction in a mixed fluidized bed with iron ore and coal
矿煤混合流化床还原反应
How to raise coal quality in xiaoyu coal mine
提高小峪矿煤质的几点建议
Development of coal entry anchor net support at nanshan coal mine
南山矿煤巷锚网支护的发展
Prevention and control of coal and gas outburst in laohutai mine
老虎台矿煤与瓦斯突出的防治
Discussion on the whole anchor supporting in coal lanes in dongqu goal mine
谈东曲矿煤巷全锚支护

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