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探讨了高Ｓｉ／Ｃ值铸铁的性能特点，并成功地用于铸造汽车制动鼓，有效地解决了原铸件的白口质量问题．
The performance characteristics of high Si / C cast iron were discussed and successfully applied to the brake drum of automobile, which effectively solved the problem of the white quality of the original castings.