coal and gangue
常见例句
- The effects of different drawing intervaland top-coal fragmental size on flow character of coal-gangue and sand, and on mixed degree of coal and gangue were analyzed during drawing top-coal.
分析了不同放煤步距、顶煤块度对放煤过程中煤矸砂流动形态、混矸程度的影响。 - The influence of coal gangue and the activator on the hydration property of cement is studied in this paper.
研究了煤矸石的种类、掺量以及化学激发剂对水泥水化性能的影响。 返回 coal and gangue