outer bearing cover

例句：

1. 1. The new car has a sleek design and an outer bearing cover made of high-quality materials.
   这款新车设计流畅，外轴承盖由高品质材料制成。
2. 2.The engineer carefully inspected the outer bearing cover before installing the new parts.
   工程师在安装新部件之前仔细检查了外轴承盖。
3. 3.The outer bearing cover is designed to protect the internal components from external interference.
   外轴承盖的设计旨在保护内部组件免受外部干扰。