coefficient of residual gas

例句：

1. 1.The coefficient of residual gas is an important factor in determining the efficiency of a combustion process.
   剩余气体系数是决定燃烧过程效率的一个重要因素。
2. 2. The coefficient of residual gas can be used to calculate the amount of air required for combustion.
   剩余气体系数可以用来计算燃烧所需的空气量。
3. 3. The coefficient of residual gas is often used in industrial processes to monitor and control emissions.
   剩余气体系数常用于工业过程中，以监测和控制排放。