@article{LIU Zhong-de:20, author = {LIU Zhong-de, FAN Shu-tian}, title = {Research on Hardening Back Ferrules by Rolling}, publisher = {Journal of Drainage and Irrigation Machinery Engin}, year = {2003}, journal = {Journal of Drainage and Irrigation Machinery Engineering}, volume = {21}, number = {4}, eid = {20}, numpages = {3}, pages = {20}, keywords = {Ferrules;Tolling;Hardening}, url = {http://zzs.ujs.edu.cn/pgjx/EN/abstract/article_1007.shtml}, doi = {10.3969/j.issn.1674-8530.2003.04.007} }