...词：实验教学；碳钢热处理；金相实验8Xd中国金相网 [gap=338]Key words：experimental teaching；carbon steel heat treatment；metallographic experiment8Xd中国金相网 ...
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Motor Notzzle: The product adopts hard alloy or carbon steel heat treatment and receive precision grinding and polishing by professional processing equipment.
此产品以超硬合金或碳钢热处理为材料，使用专业加工设备精密磨削和抛光加工而成。
Top low carbon alloy steel as gear material, adapting automatic carburizing and quenching heat treatment.
齿轮材料选用高级低碳合金钢，使用自动化高温渗碳淬火处理。
A steel with varying carbon content and, consequently, different critical temperatures requires a special heat treatment.
含碳量变化的钢具有不同的临界温度，因此需要特殊的热处理。
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