72B线材绕簧断裂原因分析
卢立华,董登超
Cause analysis of 72B wire fracture during coiling spring
LU Li-hua,DONG Deng-chao
中国钢铁期刊网 . 2015, (1): 32 -36 .  DOI: 10.13228/j.boyuan.issn1001-0777.20140005