steam consumption rate

例句：

1. 1. The steam engine is a crucial component in the production process.
   蒸汽机是生产过程中的关键部件。
2. 2. The efficiency of the steam engine has been greatly improved.
   蒸汽机的能效已经大大提高了。
3. 3.The steam consumption rate is an important factor in determining the cost of electricity.
   蒸汽消耗率是决定电费成本的一个重要因素。