Heat treated layer, carbonized layer, hardened hard layers, superficial coating, steels, non-ferrous metal, micro and thin shaped components.
热处理、碳化、淬火硬化层，表面覆层，钢，有色金属，微小及薄形零件等。
Heat treated layer, carbonized layer, hardened hard layers, superficial coating, steels, non-ferrous metal, micro and thin shaped components.
热处理、碳化、淬火硬化层，表面覆层，钢，有色金属，微小及薄形零件等。
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