The rare-earth-magnesium-calcium alloy is a compacted agent more suitable for high sulfur base gray iron in cupola.

稀土镁钙合金是比较适合于冲天炉高硫铁水使用的蠕化剂。

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The rare-earth-magnesium-calcium alloy is a compacted agent more suitable for high sulfur base gray iron in cupola.

稀土镁钙合金是比较适合于冲天炉高硫铁水使用的蠕化剂。

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