每天玩会使你懒惰 » Play every day will make you lazy 抽油杆寿命降低 » Pumping strokes reduced life expectancy 专家诊断：雨天后，可挑个通风的地方把车门全打开，让湿气远离爱车。此外，把内饰中可以清洗的物件如脚垫、椅套之类清洗一次。
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这样可以降低抽油杆的疲劳损坏，延长抽油杆的使用寿命。
Also it reduces suck rod fatigue failure to prolong working life.
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。
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.
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