钢锻件超声检测缺陷定性分析研究
李述亭,郑国渠,黄群
Qualitative Study on Ultrasonic Testing of Steel Forgings Defect
LI Shu-ting,ZHENG Guo-qu,HUANG Qun
中国钢铁期刊网 . 2013, (05): 59 -63 .