D级镦锻式空心抽油杆的热处理工艺
张朋举, 王语, 殷志杰, 韩军, 张仙文, 王壮壮
Heat treatment process of grade D forged hollow sucker rods
Zhang pengju, Wang Yu, Yin Zhijie, Han Jun, Zhang Xianwen, Wang Zhuangzhuang
金属热处理 . 2015, (1): 71 -74 .  DOI: 10.13251/j.issn.0254-6051.2015.01.016