This paper is concentrated on the study of the wear fault monitoring methods and the monitoring principle of 12150 engines based on oil analysis.
文中针对基于油液分析的12150发动机磨损故障监测方法进行研究，给出了油液监测机理。
Baste on the analysis of study contents and methods of coal faults, mechanic characteristics of rock mass in coal stratum and the theory of cause of fault formation were put forward.
本文在全面分析煤层断层研究内容、研究方法的基础上，提出加强煤系地层岩体力学性质研究、不断完善断层成因理论是煤层小断层成因预测的基础。
Methods Systematic data analysis and experimental study on academic evidence of BAL therapy of pneumoconiosis, and main factors affecting pulmonary interstitial dust removal.
方法对BAL治疗尘肺理论依据、肺间质排尘以及影响排尘的主要因素，进行了资料分析和实验研究。
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