In order to produce high quality steels, we must tap the potential performance of material.

为了使钢材获得良好的性能，必须发掘材料性能的潜力。

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High quality steels are those which have uniformly distributed, fine grained and regularly shaped carbides.

碳化物颗粒细小、形状规则和分布均匀的钢其质量和性能都好。

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Higher quality steels have been required since train speeded-up, resulting in some problems such as the quality and type of ferroalloys.

火车提速后，对钢材质量提出了更高的要求，从而引发了铁合金的质量和品种问题。

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In the 1960s, the firm began manufacturing bar-quality steels, as well as building cranes, boilers, and ships.

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It was the science and engineering developments that kept Teesside steels reputation for quality, as competitor countries began to develop their own steel industries.

BBC: A history of Teesside steelmaking