Citation: | Zhou Hemin, Zuo Tieyong, Yi Changsen, Wang Xuezhi. Development of Prestressed Spiral Rib and Spiral Groove Wires with high Strength[J]. Journal of Beijing University of Technology, 2000, 26(2): 30-34. DOI: 10.3969/j.issn.0254-0037.2000.02.007 |