20CrMo钢空心抽油杆的调质处理工艺
范世平1,李小彦1,郭纯恩2
Quenching and tempering process of 20CrMo hollow sucker rod
Fan Shiping1,Li Xiaoyan1,Guo Chunen2
金属热处理 . 2015, (7): 153 -155 .  DOI: 10.13251/j.issn.0254-6051.2015.07.036