lube base oil

例句：

1. 1. The engine requires regular lube to maintain optimal performance.
   发动机需要定期润滑以保持最佳性能。
2. 2. Lube base oil is a crucial component in the manufacturing process.
   润滑油基础油是生产过程中的关键成分。
3. 3. The engineer used lube base oil to reduce friction and improve efficiency.
   工程师使用润滑油基础油来减少摩擦并提高效率。