self-contained bearing

例句：

1. 1. The car has a self-contained air conditioning system that keeps the interior cool and comfortable.
   这辆车有一个自给自足的空调系统，可以保持车内凉爽舒适。
2. 2.The team's self-contained design allows them to work efficiently without relying on external resources.
   团队的自我支持设计使他们能够高效地工作，而不需要依赖外部资源。
3. 3. The new building is designed with self-contained systems, ensuring that all necessary services are available at all times.
   这座新建筑采用了自给自足的系统设计，确保所有必要的服务在任何时候都是可用的。