adiabatic line

例句：

1. 1.The adiabatic line is the boundary between two different temperatures.
   绝热线是两种不同温度之间的边界。
2. 2.During the adiabatic process, the temperature remains constant.
   绝热过程中，温度保持不变。
3. 3. The adiabatic flame temperature is the temperature at which the fuel burns completely.
   绝热火焰温度是燃料完全燃烧时的温度。