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研究了无定形石墨对HT200和QT500-7组织和性能的影响,并将这种砂用于EQ140曲轴的试验,效果良好。
The effect of amorphous graphite on the microstructure and properties of HT200 and QT500-7 was studied. The sand was used in the test of EQ140 crankshaft, and the effect was good.