hardenability curve

例句：

1. 1.The hardenability curve of this material is very important for its application.
   这种材料的硬化能力曲线对于其应用非常重要。
2. 2. The engineer analyzed the hardenability curve to determine the optimal temperature for the process.
   工程师分析了硬化能力曲线，以确定工艺的最佳温度。
3. 3.The hardenability curve shows how the material changes with temperature and pressure.
   硬化能力曲线显示了材料随温度和压力的变化情况。