Every Customer Is The Best Case
Initial Heart In An Inch Close In Ingenuity
Every Customer Is The Best Case
Initial Heart In An Inch Close In Ingenuity
頂頭，主要是由碳、鐵、鉻、鉬元素所組成。所述的C為0.13-0.3%，Cr為1.0-2.2%，Ni為1.0-4.5%，Si為0.2-1.4%，Mn為0.2-1.4%，Mo為0.1-0.7%，W為0.6%，S為0.04%，P0.04%，其余為Fe和其它少量元素(其含量均以...
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