提出了用气化模铸造型内球化处理生产球铁铸件的方法及其工艺要点。
This paper presents a kind of method for producing ductile iron castings with the technique of evaporative pattern casting and in mould spheroidizing, and introduces its main measures.
精密的小零件，都是用马铁铸造而成的。
All these delicate small spare parts are cast from malleable iron.
简要介绍了一种适合于大断面球铁悬浮铸造用微型冷铁的制备工艺；
The producing process of a kind of micro-chill suitable for suspension casting of heavy section ductile iron is briefly described.
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