用途：台车式电阻炉系周期作业式电炉，可供大中型金属机件和材料的正火、淬火退火等热处理和加热之用。
Applications: the bogie hearth electric resistance furnace is a batch type furnace, it is used for normalizing, quenching, annealing and other heat treatments of large or medium metal parts.
对三种不同热处理(正火、退火、球化)的低碳钢中微空洞的形成进行了一些观测。
Some observations of voids formation were carried out by using low carbon steel with three kinds of heat-treatment, namely, normalizing, annealing and spheroidizing.
对电渣熔铸模块采取必要的预处理——均匀化退火或正火，可以进一步提高模具的使用性能。
The properties of the dies can be improved through pre treatment-high tempreature annealing or normalizing.
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