The article begins from heat source and failure rate, analyzes heat treatment mechanism and discusses heat designing methods of electronic equipments.
从热源、失效率入手，分析了热产生的机理，并提出了电子设备热设计的基本方法。
The brake wheel is a key part of portal frame crane, and its earlier failure and heat treatment defect during manufacture and use is the key factor, which affects the cost and efficiency.
制动轮是门座式起重机制动装置的关键零件，制动轮在生产制造和使用过程中的早期失效及热处理缺陷是影响生产成本及效率的重要因素。
On the basis of analysing the failure main technological parameters in induction heating are discussed in order to further improve the quality of induction-heat treatment parts.
在分析这些事故的基础上，讨论感应加热中几个主要工艺参数，以进一步提高感应加热处理零件的质量。
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