作者单位:Lin Zhiming,Lin Tao(Lianjiang Futai Iron and Steel Company, Fuzhou 350501)林致明,林滔(连江福泰钢铁有限公司,福州350501)Wang Zhenzhou,Su Rongfang(School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083)王振宙,苏荣芳(北京科技大学冶金与生态工程学院,北京 100083)