lubrication points

例句：

1. 1. The oil was spread evenly across the surface of the engine to ensure proper lubrication.
   机油被均匀涂抹在发动机表面，以确保适当的润滑。
2. 2. The engineer carefully marked the lubrication points on the machine's parts.
   工程师仔细标记了机器部件的润滑点。
3. 3. The technician replaced the worn-out bearings with new ones and checked for any remaining lubrication points.
   技师用新的轴承替换了磨损的轴承，并检查了任何剩余的润滑点。