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件上应用。

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.

究了镧剂的能力及其对墨白口敏感性和抗衰退性的影响。