Equipped with manual oil pumping unit.
配有手动上油装置。
The software can help stylist design the pumping unit well.
这套软件，能够帮助设计人员更好的完成抽油机的概念设计。
Compared with the conventional pumping unit power saving effect is obvious.
与常规抽油机相比节电效果明显。
Finally author advances a idea about the advantage and foreground of power saving pumping unit.
最后还提出了节能抽油机的优点以及应用前景。
It supplies reference for the design of pumping station unit.
可供泵站机组设计选型时参考。
It supplies reference for the design of pumping station unit.
可供泵站机组设计选型时参考。
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