介绍了一种利用数字图像处理技术进行灰铁金相石墨测长的方法，用于检测灰口铸铁金相中的条状石墨长度，并对其进行分级。
It introduces the method to measure the length of black lead in gray cast iron by digital graphics technology. The strip black lead can be classified.
介绍了一种利用数字图像处理技术进行灰铁金相石墨测长的方法，用于检测灰口铸铁金相中的条状石墨长度，并对其进行分级。
It introduces the method to measure the length of black lead in gray cast iron by digital graphics technology. The strip black lead can be classified.
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