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卡尔鲍姆工业纯铁
met. Kahlbaum iron (总杂质 < 0.025; 0.001Mn, 0.015Si, 0.0014Cu,0.004Ni,痕量 S)
卡尔鲍姆 纯 铁: 2 phrases in 1 subject
Metallurgy2