控制器可以延长低产油井的开采寿命，减少各机械部件的磨损，有效降低用电成本。
The controller can prolong the productive life of a well with low production, and decrease wear-and-tear of each mechanical part so as to decrease the cost of power utilization.
控制器可以延长低产油井的开采寿命，减少各机械部件的磨损，有效降低用电成本。
The controller can prolong the productive life of a well with low production, and decrease wear-and-tear of each mechanical part so as to decrease the cost of power utilization.
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