利用钢卷退火温度曲线以及煤气和空气消耗量曲线，得到了单台罩式炉退火过程中的抽风量变化曲线，在此基础上，得到了系统抽风量。
According to the curve of rolled coil annealing temperature, the curve of gas and air consumption, the air volume for one batch annealing furnace and discharge flue gas system are obtained.
通过发动机性能曲线，对发动机的功率、扭矩和燃料消耗量进行了模拟。
The system performance with different engine speed is studied in the paper, and the engine power, engine torque and fuel consumption is simulated through the engine performance curve.
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