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自真空处理在50年代第一次用于炼钢生产以来至今的30多年里,真空冶金得到了迅速发展。在所有的钢液真空处理方法中,RH法是最重要的方法。目前全世界约有135套这种按循环原理工作的RH装置。
Since vacuum processing In the more than 30 years since it was first used for steelmaking in the 1950s, vacuum metallurgy has been rapidly developed. Among all the molten steel vacuum treatment methods, RH method is the most important method. There are currently about 135 such RH units operating on a loop basis around the world.