同时表面硬度高，经热处理后，其镀层表面形成非晶态和晶态的混合物时，硬度可达1200HV。
Meanwhile, high surface hardness after heat treatment, the coating surface formed into the amorphous and crystalline mixture, the hardness is up to 1200hv.
同时表面硬度高，经热处理后，其镀层表面形成非晶态和晶态的混合物时，硬度可达1200HV。
Meanwhile, high surface hardness after heat treatment, the coating surface formed into the amorphous and crystalline mixture, the hardness is up to 1200hv.
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