双丝窄间隙埋弧焊焊接接头断裂韧性研究
杨乘东, 张茂龙, 唐伟宝
Research on Fracture Toughness of Twin-wire Narrow-gap Submerged Arc Welding Joints
Yang Chengdong, Zhang Maolong, Tang Weibao
发电设备 . 2018, (1): 38 -42 .