螺杆泵抽油杆
基于1个网页-相关网页
screw pump rod-line
螺杆泵杆线
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Working state of a screw pump rod-line is analyzed using Finite element analysis method during broken working station, and three kinds of possible mechanical models are set up.
如何降低螺杆泵抽油杆的应力水平，提高工作寿命是石油开采设备研究中一个急需解决的力学问题。
youdao
应用推荐
模块上移
模块下移
不移动