该系统采用采水井内换热器和地面套管式换热器，既可节省保温费用，又可减少散热损失。
The system can save insulating cost and reduce heat loss using heat-exchanger in well bore and casing heat-exchanger on surface.
首次把负载和控制做成一体，隔离密封，保证了良好的散热以及稳定性，同时节省大量空间。
First, such as combine the load and control as a whole, isolating and sealing to ensure good heat dissipation and stability, at the same time, saving a lot of space.
本发明提高 了电机的散热效果，延长电容器和电机的使用寿命，节省了加工工时，提高了生产效率。
The invention increases the radiation effect of motor, extends the service life of the capacitor and motor, saves man-hour, and increases the efficiency of production.
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