conservatively loaded bearing

例句：

1. 1. The engineer used a conservatively loaded bearing to reduce friction.
   工程师使用了保守装载的轴承来减少摩擦。
2. 2. The new design uses a conservatively loaded bearing to improve efficiency.
   新设计使用了保守装载的轴承来提高效率。
3. 3. The machine's bearings are designed to be conservatively loaded, ensuring long lifespan.
   机器的轴承被设计为保守装载，以确保长期使用寿命。