稀土合金具有变质、晶粒细化和净化铝合金的综合功能，而且对周围环境不产生任何污染。
Rare Earth(RE) elements possess integrated effects on modifying, refining and purifying of casting Al alloys without any pollution.
稀土合金具有变质、晶粒细化和净化铝合金的综合功能，而且对周围环境不产生任何污染。
Rare Earth(RE) elements possess integrated effects on modifying, refining and purifying of casting Al alloys without any pollution.
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