overall mass transfer coefficient

例句：

1. 1. The overall mass transfer coefficient of the gas-liquid mixture is an important factor in determining the reaction rate.
   气体-液体混合物的整体质量传递系数是决定反应速率的重要因素。
2. 2. The overall mass transfer coefficient can be affected by various factors such as temperature and pressure.
   整体质量传递系数可以受到温度和压力等多种因素的影响。
3. 3.In order to improve the efficiency of the heat exchanger, it is necessary to optimize the design of the overall mass transfer coefficient.
   为了提高换热器的效率，有必要优化整体质量传递系数的设计。