(1)磨粒浓度和大小
(1) particle size and size
(2)磨粒形貌(反应磨粒产生原因和机理)
(2) wear particle morphology (cause and mechanism of reactive abrasive)
(3)磨粒成分(反应产生的部位)
(3) abrasive grain composition (part produced by reaction)