AC motor drive which is used in the mine fan is serious in consumption and waste.

矿山风机中使用的交流电机驱动，其消耗与浪费非常严重。

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This paper introduced an optimizing method and optimization program used for selecting mine fan by computer.

介绍了一种矿井扇风机的计算机优选方法及优选程序。

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The energy saving principle, the function of hydraulic governing and its application in mine fan and water pump were introduced.

介绍了液力调速的节能原理、功能及其在矿山风机、水泵上的应用。

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The order is the result of a case brought a by a fan of relegated club Prestea Mine Stars, who wants another case he filed against the deduction of six points from the club the last season determined before the start of the new premier league season.

BBC: Ghana suspends league