metallurgical industry 冶金业 metallurgical equipment 冶金设备
metallurgical process 冶金过程
metallurgical machinery 冶金机械
metallurgical coke 冶金焦
metallurgical technology 金属艺学 metallurgical microscope 金相显微镜
metallurgical bonding 冶金结合
metallurgical engineering 冶金程 metallurgical plant 冶炼厂;冶金厂
metallurgical coal 冶金用煤;冶金煤;炼焦煤
ministry of metallurgical industry 冶金业部