%0 Journal Article %T 射线底片上带垫板单面焊缝根部缺陷的识别探讨 %O Evaluation and Discussion of Root Flaw of Welded Joint with Backing Strip %A 李 勇 %J 无损检测 %@ 1000-6656 %V 28 %N 10 %D 2006 %P 555-557 %K %X %R %U http://www.mat-test.com/abstract.htm?aid=OJ151005000266hNkQmT %W 材料与测试网 %1 JIS Version 3.0.0