Author(s): |
Shumin Zhang, Shijiazhuang Institute of Railway Technology, Shijiazhuang, Hebei, China, 050041 Lili Tan, Shijiazhuang Institute of Railway Technology, Shijiazhuang, Hebei, China, 050041 Xinliang Li, Hebei Jiaotong Vocational &Technical College, Shijiazhuang, Hebei, China, 050035 |