pump-line

基本解释

Secondly, the shape Size and mechanical interface with the mechanical pump-line similar to the existing models on the installation is very convenient;
第二，外形尺寸和机械接口与机械式直列泵相似，在现有机型上安装很便利；
Through comparison between calculation results and the real broken case of the rod-line, it is found that Model 3 can be used to simulate the working state of the screw pump rod-line well.
抽油杆的内力和应力水平与杆的“麻花”程度密切相关，模型3的模拟结果与抽油杆的实际断裂情况相吻合。
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。

Wave it near a reader, whether on a gas pump or in the fast-food line, and if you have enough credit on the card it's linked to the payment takes only seconds.
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And so one of the things I did, because you have to remember, right after the fall of Saddam Hussein, there was no telephone service at all, no electricity at all, days-long line for gasoline at the pump.
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