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我们应用扫描电镜对灰铸铁的拉伸和冲击断口进行了初步的观察和分析。一、试验条件用冲天炉熔炼铁水。其化学成分(％)为:HT
We use scanning electron microscopy of gray cast iron tensile and impact fracture preliminary observations and analysis. First, the test conditions Cupola smelting hot metal. Its chemical composition (%): HT