change-stress creep test

例句：

1. 1. Theengineer conducted a stress change creep test on the material to determine its strength under different loads.
   工程师对材料进行了应力变化蠕变试验，以确定在不同负载下其强度。
2. 2. During the testing, the stress change creep test revealed that the material had degraded significantly over time.
   在测试过程中，应力变化蠕变试验显示材料在时间上已经显著退化。
3. 3.The stress change creep test was crucial in identifying potential areas of weakness in the structure.
   应力变化蠕变试验在识别结构潜在弱点方面至关重要。