lubrication diagram

例句：

1. 1. The engineer drew a lubrication diagram to show the parts' movement.
   工程师绘制了一个润滑图来展示部件的运动。
2. 2. The doctor used the lubrication diagram to diagnose the patient's condition.
   医生使用润滑图来诊断病人的状况。
3. 3. The technician followed the lubrication diagram to perform the maintenance task.
   技术员按照润滑图执行维护任务。