The system combined with the linear motor and mining pump helps improve system efficiency and conservation.
将直线电机与抽油泵结合起来置于井下工作，有利于提高系统效率和节能。
For this, people thought of the frequency conversion motor, of course it fixed speed than other adjustment methods to energy conservation.
为此，人们想到了变频电机，当然它比固定转速的其他调节方法要节能。
Therefore, application of motor in our country has a great energy saving potential, promote motor energy conservation is imperative.
因此，我国的电机应用具有极大的节能潜力，推行电机节能势在必行。
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