free-cutting resulfurized carbon steel的意思|示意
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易切削加硫碳素钢
free-cutting resulfurized carbon steel的网络常见释义
加硫易切削碳钢 Free-cutting structural steel 易切削结构钢 free-cutting resulfurized carbon steel 加硫易切削碳钢 free-cutting plastic die steel 易切削塑料模具钢 ..