fatigue limit diagram

例句：

1. 1. The engineer drew a fatigue limit diagram to show the stress distribution in the structure.
   工程师绘制了一张疲劳极限图来展示结构中应力的分布情况。
2. 2.The manufacturer used the fatigue limit diagram to ensure the product's durability.
   制造商利用疲劳极限图确保产品的耐用性。
3. 3. The researcher analyzed the fatigue limit diagram to identify the factors that could affect the lifespan of the material.
   研究员分析了疲劳极限图，以识别可能影响材料使用寿命的因素。