bearing of the crank pin

例句：

1. 1. The car's engine isdesigned to provide a high level of powerand efficiency.
   汽车的发动机设计用来提供高功率和效率。
2. 2. The construction project requirescareful planning to ensure the bearing of heavyloads.
   这个建设项目需要仔细规划，以确保能够承受重负载。
3. 3. The new design hasimproved the vehicle's overall performance andincreased its carrying capacity.
   新设计提高了车辆的整体性能并增加了载重能力。