sustained load

例句：

1. 1.The construction of this bridge will sustain a heavy load for several years.
   这座桥梁的建设将在未来几年内承受重载。
2. 2. The company's ability to sustain a sustained load is crucial for its survival.
   公司能够持续承受重载的能力对其生存至关重要。
3. 3.The project requires a sustained load of resources and manpower.
   该项目需要持续的资源和人力投入。