论文部分内容阅读
随着我国石油化学工业的发展,提供作为淬火介质的产品种类日盆增多。近年来利用有机聚合物的水溶液作淬火介质对提高热处理工
With the development of China’s petrochemical industry, the product range provided as a quenching medium has increased. In recent years the use of organic polymer solution as a quenching medium to improve heat treatment