标准摘要
The method is intended for the evaluation of an engine lubricating oil's ability to prevent valve train wear and/or pitting. The evaluation applies principally to lubricants for spark-ignition engines, but is also used on oils formulated for use in compression ignition enginesCross Reference:
英文名称The Evaluation of Lubricating Oils With Respect to Pitting and Wear of Cams and Tappets