localized stress concentration

例句：

1. 1.The localized stress concentration in the area is causing the cracks to grow.
   该地区的局部应力集中导致裂缝扩大。
2. 2.The engineer used a special material to localize the stress concentration.
   工程师使用了一种特殊的材料来局部化应力集中。
3. 3. The localized stress concentration can lead to fatigue failure if not properly managed.
   如果不妥善管理，局部应力集中可能会导致疲劳失效。