coal mixing rate on viscosity

例句：

1. 1.The coal mixing rate and viscosity are critical factors in determining the efficiency of a coal-fired power plant.
   煤炭混合速率和粘度是决定燃煤电厂效率的关键因素。
2. 2.The study found that the coal mixing rate and viscosity had a significant impact on the performance of the coal-fired power plant.
   研究发现，煤炭混合速率和粘度对燃煤电厂的性能有显著影响。
3. 3. In order to improve the efficiency of the coal-fired power plant, it is necessary to optimize the coal mixingrate and viscosity.
   为了提高燃煤电厂的效率，有必要优化煤炭混合速率和粘度。