1. The mixed nodulizer can be applied for the key middle and small section casts of ductile iron.
   可以在质量要求高的中小截面重要球铁铸件上应用。
2. The nodulizing power of the La-Mg nodulizer and its influences on the chilling sensitivity of nodular cast iron and the property of anti-degeneration were studied.
   研究了镧镁球化剂的球化能力及其对球墨铸铁白口敏感性和抗衰退性的影响。

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