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1·The failure type and wear-out mechanism of the linings was analyzed based on investigation of wear failure forms of the liners.

通过考察衬板的实际工况和磨损失效形式，分析了衬板的磨损失效类型及其机理。

2·Based on the gradually appeared failure model of wear-out failure, an extended test method is developed with the help of the stable wear stage theory.

根据耗损失效产品的渐发性故障模型，应用稳定磨损阶段的理论，提出了一种延拓试验方法。

3·The work roll application situation in plate mill in China is analyzed, and the roll wear-out failure phenomena which is more serious than advanced countries is pointed out.

通过分析我国中厚板轧机工作辊的使用情况，指出其辊耗和国外工业先进国家的差距。