热处理对B+级钢铸件焊补区域硬度影响研究
刘勇, 刘敬豪
Research on the effect of heat treatment on the hardness of welding repair area of B+Grade steel castings
LIU Yong, LIU Jinghao
中国铸造装备与技术 . 2023, (3): 60 -64 .  DOI: 10.3969/j.issn.1006-9658.2023.03.013