Journal of Northeastern University(Natural Science)
Research on Design of Pitch Profile of Backingoff Cam
LIANG Song， WANG Xu， WANG Xiaoqiong， ZHANG Yimin
Journal of Northeastern University Natural Science . 2014, (2): 253 -256 .  DOI: 10.12068/j.issn.1005-3026.2014.02.023