了解故障成因及其表现形式，掌握基本的故障诊断方法，可以更准确、快速的进行维修工作，使设备恢复正常工作。
Conclusion: Understanding failure causes and its basic diagnosis methods, we can carry out maintenance work more accurately and rapidly to restore the device to work properly.
在分析料源岩性试验和岩石加工性能的基础上，给出了设备选型的原则及关键设备选型的基本方法。
On the basis of analyzing the test of rock properties and its processing characteristics, this paper describes the principles of equipment selection and the basic methods of key equipment selection.
接着，比较系统地介绍了瑞典律勒欧大学柴油机废气净化实验室的研究任务、目的、基本设备和试验方法。
The aims, tasks, fundamental equipment and research methods of diesel exhaust cleaning in the diesel engine laboratory of the University of Lulea are illustrated.
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