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。

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If we improve system efficiency only by improving the hardware, it will increase costs and waste of resources.

如果仅仅从硬件上来提高系统的效率会造成成本的增加和资源的浪费。

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Then the mechanism of the preload of file , which can improve system efficiency effectively , is also designed. The law and the concrete implementation of the principles are discussed.

文中还设计了能有效提高系统效率的文件预装载机制，讨论了这一机制的原理和具体实现。

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Then the mechanism of the preload of file , which can improve system efficiency effectively , is also designed. The law and the concrete implementation of the principles are discussed.

文中还设计了能有效提高系统效率的文件预装载机制，讨论了这一机制的原理和具体实现。

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