港口起重机械对接焊缝衍射时差法超声检测工艺
刘建平,冯建国,刘渊
TOFD process for welded joints of port crane
LIU Jianping,FENG Jianguo,LIU Yuan
物理测试 . 2022, (2): 26 -30 .  DOI: 10.13228/j.boyuan.issn1001-0777.20210018