vapour curve

例句：

1. 1. The temperature at which the vapour curve intersects with the saturation line is known as the dew point.
   蒸汽曲线与饱和线相交的温度被称为露点。
2. 2. The vapour curve shows how the amount of water in a liquid changes as it evaporates.
   蒸汽曲线显示了液体中水蒸发量的变化。
3. 3. The vapour curve can be used to predict the performance of a cooling system.
   蒸汽曲线可以用来预测冷却系统的性能。