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。
The gear -used steels and heat treatment have important effect on gear quality.
齿轮钢材和热处理对齿轮质量有重大的影响。
The gear -used steels and heat treatment have important effect on gear quality.
齿轮钢材和热处理对齿轮质量有重大的影响。
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