以理论为指导,正确判断制冷系统中的故障

Under the guidance of theories, we have correctly fond out the faults of the refrigerating system

从理论上介绍了制冷系统的工作原理,从而指导现场维修人员准确地判断制冷系统故障,也使广大群众对制冷设备有一个初步了解。

In order to guide field maintenance man to find out faults of the refrigerating system correctly, we introduce the system's working principles in theory, and thus laymen can get a preliminary knowledge of the refrigerating equipment.