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A new method is introduced in this paper on bright quenching oil without additives. 本文提出了一种研制无添加剂光亮淬火油的新方法。
Degenerated and aginged quenching oil was reformed, its service property can be resumed and service life can be prolonged. 对已发生变质和老化的淬火油进行再生，可以恢复其使用性能，延长其使用寿命。
In this paper, the fire causes of quenching oil in heat treatment workshop were analyzed, the improved and protective measures were proposed at the same time. 论文就热处理车间淬火油着火原因进行了分析，同时，提出了改进及防护措施。