cooling test

例句：

1. 1. The cooling test is crucial for determining the material's thermal conductivity.
   冷却测试对于确定材料的热导率至关重要。
2. 2. During the cooling test, the temperature of the sample is monitored to ensure it reaches a stable state.
   在冷却测试期间，监测样品的温度以确保其达到稳定状态。
3. 3. The cooling test results showed that the new material had better thermal conductivity than the old one.
   冷却测试结果显示，新材料的热导率优于旧材料。