推测 发表于 2025-3-26 22:04:56
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Isa S. Qamber,Mohamed Y. Al-HamadA high proportion of the output of castings from the modern foundry industry is accounted for by ferrous alloys. These can be initially classified in the two broad categories of cast iron and steel, which are largely produced in separate sections of the industry.混合 发表于 2025-3-27 12:03:36
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