钢铁冶金
[词典] [化] ferrous metallurgy;
[例句]钢铁冶金企业自动消防系统新技术及标准发展
New Technologies and Standards Development of Automatic Fire Fighting System for Iron and Steel Enterprises
钢铁冶金
[词典] [化] ferrous metallurgy;
[例句]钢铁冶金企业自动消防系统新技术及标准发展
New Technologies and Standards Development of Automatic Fire Fighting System for Iron and Steel Enterprises