作者单位:WANG Yun-ge(Technical Center of Tangshan Iron and Steel Co. , Ltd,. Tangshan 063016. China)王云阁(唐山钢铁股份有限公司技术中心,河北唐山063016)LI Xiao-hong,XU Hai fang,WANG Yan(Metallurgical Department, Tangshan Vocational College of Science and Technology, Tangshan 063001, China)李小红,徐海芳,王燕(唐山科技职业技术学院冶金系,河北唐山063001)LOU Zhi-gang(Computer Department, Tangshan Vocational College of Science and Technology, Tangshan 063001, China)娄志刚(唐山科技职业技术学院计算机系,河北唐山063001)