对稀土中锰白口铁进行了生产性试制，并经应用，其经济效益显著。
The application of the medium Mn white cast iron containing Re showed this material has a better commercial efficiency.
用稀土变质处理中锰白口铁可改变碳化物形貌及分布且提高其韧性。
The results show that the modification of white cast iron by RE can change the carbide morphology and distribution and increase the toughness.
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