actual air consumption for fuel combustion

例句：

1. 1.The actual cost of the project is much higher than expected.
   这个项目的实际成本比预期的要高得多。
2. 2.He was actually surprised by her response.
   他实际上对她的反应感到惊讶。
3. 3.The actual situation is quite different from what we thought.
   实际情况与我们想象的大不相同。