unburned pulverized coal

• 未燃煤粉

unburned pulverized coal的用法和样例：

例句

1. The effects on slag viscosity caused by unburned pulverized coal during the process of injecting pulverized coal are presented.
   在实验室条件下研究了高炉大喷煤中未燃煤粉对炉渣粘度等性能的影响。