It has the effect keeping heavy section ductile iron casting from...
对于大断面球墨铸铁件，有防止球化不良和消除反白口的作用。
This has introduced the casting process of thick section ductile iron mould with high strength.
介绍了高强度厚大断面球墨铸铁模具的生产工艺。
This has introduced the casting process of thick section ductile iron mould with high strength.
介绍了高强度厚大断面球墨铸铁模具的生产工艺。
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