powder coal injection的用法和樣例：
例句
- According to the multi-flow theory, a mathematical model of coal injection of BF has been developed.
基于湍流兩相流理論建立了高爐噴煤兩相流動(dòng)及傳質(zhì)三維數學(xué)模型。 - The effects on slag viscosity caused by unburned pulverized coal during the process of injecting pulverized coal are presented.
在實(shí)驗室條件下研究了高爐大噴煤中未燃煤粉對爐渣粘度等性能的影響。
