而热镀锌汽车板产品中IF钢所占比例较大，所以IF钢性能改进成为生产重点解决问题。
Among zinc coated auto steel sheets, IF steel takes a larger portion, therefore, its mechanical performance improvement becomes a key in solving quality problems of products.
而热镀锌汽车板产品中IF钢所占比例较大，所以IF钢性能改进成为生产重点解决问题。
Among zinc coated auto steel sheets, IF steel takes a larger portion, therefore, its mechanical performance improvement becomes a key in solving quality problems of products.
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