grease penetrometer

例句：

1. 1.The grease penetrometer was used to measure the oil content in the engine.
   使用润滑渗透仪测量发动机内的油含量。
2. 2.The technician used the grease penetrometer to check the seals on the bearings.
   技术人员使用润滑渗透仪检查轴承上的密封。
3. 3. The manufacturer recommends using a grease penetrometer to prevent wear and tear on moving parts.
   制造商推荐使用润滑渗透仪来防止移动部件的磨损。