笔者利用铁谱技术作为一种监测手段，通过磨粒分析来判断发动机的磨损状态。
This paper takes the ferrography technology as a monitoring means, we use wear particle analysis to judge the wear condition of engine.
为了研究它的磨损问题，本文先对船壳与土壤中硬磨粒两者间进行了力学状态分析。
For studying its wear properties; the author has analysed the mechanical conditions between the hull and hard abrasive in soil.
阐述了基本磨粒类型、磨损类型、特征、产生机理与设备运行状态之间的内在联系；
The inner relations between each basic kind of wear particles and wear type, wear particle characters, wear mechanism, machine running status are analyzed and expatiated.
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