pressure expansion curve

例句：

1. 1.The pressure expansion curve shows the relationship between temperature and pressure.
   压力膨胀曲线显示了温度和压力之间的关系。
2. 2. The pressure expansion curve is used to predict the behavior of materials under high pressure.
   压力膨胀曲线用于预测材料在高压下的行为。
3. 3. The pressure expansion curve was used to determine the optimal operating conditions for the process.
   压力膨胀曲线被用来确定工艺的最佳运行条件。