Use of these diagrams can lead to better control of the heattreatmentcycle which in turn will ensure that optimum properties and maximum die life are achieved.
使用这些图标可以更好的控制热处理周期，从而将确认达到最好的性质和最大的模具寿命。
2
Based on a great deal of heattreatment experiments of oil chain saw, the author obtains the optimum material, heattreatmentcycle and equipment for the oil chain saw.
通过对油锯链进行大量的热处理试验研究和性能检测，确定出最佳的材料，热处理工艺和设备。
3
Equipped with cycle device in the air or the oil heattreatment furnace in certain temperatures: thermal insulation for a period of time.