Acta Metallurgica Sinica (English Letters) ›› 1992, Vol. 5 ›› Issue (9): 169-172.
• Research paper • Previous Articles Next Articles
LIANG Gongying XING Jiandong Xi'an Jiaotong University,Xi'an,China Lecturer,Department of Mechanical Engineeing,Xi'an Jiaotong University,Xi'an 710049,China