提出了控制合金成分、提高金属纯洁度的方法，重点提出了解决扁铸锭裂纹的措施。
The methods about controlling alloy components and increasing melt purity were presented. The methods of preventing casting crack were presented.
提出了控制合金成分、提高金属纯洁度的方法，重点提出了解决扁铸锭裂纹的措施。
The methods about controlling alloy components and increasing melt purity were presented. The methods of preventing casting crack were presented.
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