在大量试验的基础上，整定出两条锌点炉炉温程序控制设定温度曲线。
Based on lots of experiments, two temperature curves of Zinc freezing point stove with program control are established.
在大量试验的基础上，整定出两条锡点炉炉温程序控制设定温度曲线。
Based on the experiments, two temperature setting curves of tin freezing point stove are established.
进而采用PLC编程，实现了对钢丝退火炉炉温的程序控制，提高了自动化程度和控制精度。
Thus using PLC programming to control the temperature of annealing furnace, it improves the degree of automation and control accuracy.
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