采用高温密封多用炉进行快速深层渗碳和合金模具钢的热处理
채용고온밀봉다용로진행쾌속심층삼탄화합금모구강적열처리
Heat Treatment Experience about Quick Deep Carburizing and Quenching of Die Steel with the High Temperature Sealed Box Multi- purpose Furnace
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