无渗碳体钢    Oce Steel

八角钢条    Octagon Steel Bar

八角钢    Octagonal Steel

油淬硬化钢    Oil-Hardened Steel

油淬钢    Oil-Hardening Steel

液压金属支架    Oil-Operated Steel Support

油淬火钢    Oil-Quenching Steel

商用锻钢坯    Open Forging Steel

漏空钢板楼面; 露钢梁楼板    Open Steel Flooring

过热钢    Open-Heated Steel

过吹钢    Overblown Steel

过还原钢    Over-Reduced Steel

抗氧化钢; 不锈钢    Oxidation Resistant Steel

吹氧钢    Oxygen Blown Steel

顶吹氧转炉钢    Oxygen Converter Steel

吹氧炼钢    Oxygen Furnace Steel

吹氧炼钢法    Oxygen Jet Steel

氧化炼钢法; 氧气炼钢法    Oxygen-Steel Process