constant volume curve

例句：

1. 1.The constant volume curve is a graph that shows the relationship between pressure and volume in a gas.
   恒定体积曲线是一张图表，展示了气体中压力与体积之间的关系。
2. 2.In thermodynamics, the constant volume curve represents the maximum work that can be done by a system at a given temperature and pressure.
   在热力学中，恒定体积曲线代表了系统在给定温度和压力下可以完成的最大工作。
3. 3. The constant volume curve is used to determine the optimal operating conditions for a gas turbine engine.
   恒定体积曲线用于确定气体涡轮发动机的最佳运行条件。