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介绍了生产大管径离心球墨铸铁管时使用压块球化剂的原因和方法 ,对比了使用和未使用压块球化剂的离心球墨铸铁管的伸长率和压扁率 ,分析了产生差异的原因。
The reasons and methods of using briquette nodularizer in producing large diameter centrifugal ductile iron pipes were introduced. The elongation and crush rates of centrifugal ductile iron pipes with and without briquetting agent were compared. The reason for the difference.